129965680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7351}}^1$

素因数の和:7394

約数の個数: 80

約数和(自身を含む): 344602944

約数和(自身を除く): 214637264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 7351, 8840, 14702, 17680, 29404, 36755, 58808, 73510, 95563, 117616, 124967, 147020, 191126, 249934, 294040, 382252, 477815, 499868, 588080, 624835, 764504, 955630, 999736, 1249670, 1529008, 1624571, 1911260, 1999472, 2499340, 3249142, 3822520, 4998680, 6498284, 7645040, 8122855, 9997360, 12996568, 16245710, 25993136, 32491420, 64982840, 129965680]

約数ペア:

[(1, 129965680), (2, 64982840), (4, 32491420), (5, 25993136), (8, 16245710), (10, 12996568), (13, 9997360), (16, 8122855), (17, 7645040), (20, 6498284), (26, 4998680), (34, 3822520), (40, 3249142), (52, 2499340), (65, 1999472), (68, 1911260), (80, 1624571), (85, 1529008), (104, 1249670), (130, 999736), (136, 955630), (170, 764504), (208, 624835), (221, 588080), (260, 499868), (272, 477815), (340, 382252), (442, 294040), (520, 249934), (680, 191126), (884, 147020), (1040, 124967), (1105, 117616), (1360, 95563), (1768, 73510), (2210, 58808), (3536, 36755), (4420, 29404), (7351, 17680), (8840, 14702)]