名词
中文翻译：因数的
同义词：
['factor', 'factorial', 'factoriality例句：1. The number of factors is the product of all the numbers in the equation.（因数的数量是方程中所有数字的乘积。）']
例句：
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1. The number of factors is the product of all the numbers in the equation.
因数的数量是方程中所有数字的乘积。
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2. The factorial of a number n is the product of all positive integers less than or equal to n.
一个数n的阶乘是所有小于或等于n的正整数的乘积。
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3. The factorial of 6! = 720 is 6! = 720.
6的阶乘是720，即6! = 720。