The integer 240 has several factors:
First, factor 240 to obtain
240=(2 4)*(3 1) (5^1).
When choosing the factor, use x=2^ m 3 ^ n 5^k ;
And m, n, k each have 5 (m+1), 2 (n+1), 2 (k+1) kinds of selection methods, and they are independent of each other, so there are a total of 5 2*2=20 factors.
The integer 240 has several factors
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Origin blog.csdn.net/qq_43360777/article/details/106325713
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