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求4536的正整數約數

4536 = 2^3 *3^4 *7

所以,4536的正整數約數的個數為(3+1)*(4+1)*(1+1)=40( 個)

即 1,2,3,4,6,7,8,9,12,14,18,21,24,27,28,36,42,54,56,63,72,81,

84,108,126,162,168,189,216,252,324,378,504,567,648,756,1134,

1512,2268,,4536.