639778710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{21325957}}^1$

素因数の和:21325967

約数の個数: 16

約数和(自身を含む): 1535468976

約数和(自身を除く): 895690266

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 21325957, 42651914, 63977871, 106629785, 127955742, 213259570, 319889355, 639778710]

約数ペア:

[(1, 639778710), (2, 319889355), (3, 213259570), (5, 127955742), (6, 106629785), (10, 63977871), (15, 42651914), (30, 21325957)]