20121309120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:720

約数の個数: 448

約数和(自身を含む): 72304607232

約数和(自身を除く): 52183298112

約数列:

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約数ペア:

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