639175170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{21305839}}^1$

素因数の和:21305849

約数の個数: 16

約数和(自身を含む): 1534020480

約数和(自身を除く): 894845310

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 21305839, 42611678, 63917517, 106529195, 127835034, 213058390, 319587585, 639175170]

約数ペア:

[(1, 639175170), (2, 319587585), (3, 213058390), (5, 127835034), (6, 106529195), (10, 63917517), (15, 42611678), (30, 21305839)]