20160015480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:393

約数の個数: 640

約数和(自身を含む): 77680373760

約数和(自身を除く): 57520358280

約数列:

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約数ペア:

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