68972120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{246329}}^1$

素因数の和:246347

約数の個数: 32

約数和(自身を含む): 177357600

約数和(自身を除く): 108385480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 246329, 492658, 985316, 1231645, 1724303, 1970632, 2463290, 3448606, 4926580, 6897212, 8621515, 9853160, 13794424, 17243030, 34486060, 68972120]

約数ペア:

[(1, 68972120), (2, 34486060), (4, 17243030), (5, 13794424), (7, 9853160), (8, 8621515), (10, 6897212), (14, 4926580), (20, 3448606), (28, 2463290), (35, 1970632), (40, 1724303), (56, 1231645), (70, 985316), (140, 492658), (280, 246329)]