120697640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431063}}^1$

素因数の和:431081

約数の個数: 32

約数和(自身を含む): 310366080

約数和(自身を除く): 189668440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431063, 862126, 1724252, 2155315, 3017441, 3448504, 4310630, 6034882, 8621260, 12069764, 15087205, 17242520, 24139528, 30174410, 60348820, 120697640]

約数ペア:

[(1, 120697640), (2, 60348820), (4, 30174410), (5, 24139528), (7, 17242520), (8, 15087205), (10, 12069764), (14, 8621260), (20, 6034882), (28, 4310630), (35, 3448504), (40, 3017441), (56, 2155315), (70, 1724252), (140, 862126), (280, 431063)]