factorとは 意味・読み方・使い方

語源

From Middle French facteur, from Latin factor (“a doer, maker, performer”), from factus (“done または made”), perfect passive participle of faciō (“do, make”).

発音

• (Received 発音) IPA^(key): /ˈfæk.tə/
• (General American) IPA^(key): /ˈfæk.tɚ/
• ハイフネーション: fact‧or
• 韻: -æktə(ɹ)

名詞

factor (複数形 factors)

1. (obsolete) A doer, maker; a person who does things for another person or organization.

   The factor of the trading post bought the furs.

2. An agent or representative.
   • c. 1589–1590, Christopher Marlo[we], Tho[mas] Heywood, editor, The Famous Tragedy of the Rich Ievv of Malta. […], London: […] I[ohn] B[eale] for Nicholas Vavasour, […], published 1633, OCLC 1121318438, Act 2, [scene 1]:

     My factor sends me word, a merchant's fled / That owes me for a hundred tun of wine.

   • 1603, Michel de Montaigne, chapter 21, in John Florio, transl., The Essayes […], book II, London: […] Val[entine] Simmes for Edward Blount […], OCLC 946730821:

     And let such as will number the Kings of Castile and Portugall amongst the warlike and magnanimous conquerors, seeke for some other adherent then my selfe, forsomuch as twelve hundred leagues from their idle residence they have made themselves masters of both Indias, onely by the conduct and direction of their factors, of whom it would be knowne whether they durst but goe and enjoy them in person.

   • 1644, John Milton, Areopagitica; a Speech of Mr. John Milton for the Liberty of Unlicenc’d Printing, to the Parlament of England, London: [s.n.], OCLC 879551664:

     What does he therefore, but resolvs to give over toyling, and to find himself out som factor, to whose care and credit he may commit the whole managing of his religious affairs; som Divine of note and estimation that must be.

   • 1985 Haynes Owners Workshop Manual, BMW

     Motor factors — Good factors will stock all of the more important components which wear out relatively quickly.

3. (law)
   1. A commission agent.
   2. A person or business organization that provides money for another's new business venture; one who finances another's business.
   3. A business organization that lends money on accounts receivable or buys and collects accounts receivable.
5. One of the elements, circumstances, or influences which contribute to produce a result.

   The greatest factor in the decision was the need for public transportation.

   The economy was a factor in this year's budget figures.

   • 1864-1898, Herbert Spencer, Principles of Biology

     the material and dynamical factors of nutrition

6. (mathematics) Any of various objects multiplied together to form some whole.

   3 is a factor of 12, as are 2, 4 and 6.

   The factors of the Klein four-group are both cyclic of order 2.

   • 1956, Arthur C. Clarke, The City and the Stars, p.38:

     The first thousand primes […] marched in order before him […] the complete sequence of all those numbers that possessed no factors except themselves and unity.

7. (causal analysis) Influence; a phenomenon that affects the nature, the magnitude, and/or the timing of a consequence.

   The launch temperature was a factor of the Challenger disaster.

   • 2013 May-June, Charles T. Ambrose, “Alzheimer’s Disease”, in American Scientist, volume 101, number 3, page 200:

     Similar studies of rats have employed four different intracranial resorbable, slow sustained release systems— […]. Such a slow-release device containing angiogenic factors could be placed on the pia mater covering the cerebral cortex and tested in persons with senile dementia in long term studies.

8. (economics) A resource used in the production of goods or services, a factor of production.
   • 2013 June 22, “T time”, in The Economist, volume 407, number 8841, page 68:

     The ability to shift profits to low-tax countries by locating intellectual property in them […] is often assumed to be the preserve of high-tech companies. […] current tax rules make it easy for all sorts of firms to generate […] “stateless income”: profit subject to tax in a jurisdiction that is neither the location of the factors of production that generate the income nor where the parent firm is domiciled.

9. (Scotland) A steward or bailiff of an estate.
   • 1822, [Walter Scott], The Pirate. […], volume (please specify |volume=I, II, または III), Edinburgh: […] [James Ballantyne and Co.] for Archibald Constable and Co.; London: Hurst, Robinson, and Co., OCLC 779274973:

     the factor was so scrupulous, as to keep the whole thing from his master, the lord chamberlain

下位語

派生語

関連する語

参考

Other terms used in arithmetic operations:

Advanced hyperoperations: tetration, pentation, hexation

動詞

factor (三人称単数 現在形 factors, 現在分詞 factoring, 過去形および過去分詞形 factored)

1. (transitive) To find all the factors of (a number または other mathematical object) (the objects that divide it evenly).
2. (of a number または other mathematical object, intransitive) To be a product of other objects.
3. (commercial, transitive) To sell a debt or debts to an agent (the factor) to collect.

派生語

• factor in
• factor out
• refactor

参考

• addition, summation: (augend) + (addend) = (summand) × (summand) = (sum, total)
• subtraction: (minuend) − (subtrahend) = (difference)
• multiplication: (multiplier) × (multiplicand) = (factor) × (factor) = (product)
• division: (dividend) ÷ (divisor) = (quotient), remainder left over if divisor does not divide dividend

Further reading

• factor in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
• factor in The Century Dictionary, New York, N.Y.: The Century Co., 1911

Latin

語源

From faciō (“to do, make”) +‎ -tor (masculine agent noun suffix).

発音

• (Classical) IPA^(key): /ˈfak.tor/, [ˈfäkt̪ɔr]
• (Ecclesiastical) IPA^(key): /ˈfak.tor/, [ˈfäkt̪or]

名詞

factor m (genitive factōris); third declension

1. One who or which does or makes something; doer, maker, performer, perpetrator, agent, player.

   Credo in unum Deum, Patrem omnipoténtem, factórem cæli et terræ ― I believe in one God, the Father Almighty, maker of Heaven and earth.

2. (sports) player, batsman

語形変化

Third-declension noun.

関連する語

• factus
• factura

派生した語

参照

• “factor”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• factor in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius かつ others, edited by Léopold Favre, 1883–1887)
• factor in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette
• “factor”, in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• “factor”, in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin