121278680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{178351}}^1$

素因数の和:178379

約数の個数: 32

約数和(自身を含む): 288930240

約数和(自身を除く): 167651560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 178351, 356702, 713404, 891755, 1426808, 1783510, 3031967, 3567020, 6063934, 7134040, 12127868, 15159835, 24255736, 30319670, 60639340, 121278680]

約数ペア:

[(1, 121278680), (2, 60639340), (4, 30319670), (5, 24255736), (8, 15159835), (10, 12127868), (17, 7134040), (20, 6063934), (34, 3567020), (40, 3031967), (68, 1783510), (85, 1426808), (136, 891755), (170, 713404), (340, 356702), (680, 178351)]