66674680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1480

約数の個数: 64

約数和(自身を含む): 161196480

約数和(自身を除く): 94521800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 1207, 1381, 1420, 2414, 2762, 2840, 4828, 5524, 6035, 6905, 9656, 11048, 12070, 13810, 23477, 24140, 27620, 46954, 48280, 55240, 93908, 98051, 117385, 187816, 196102, 234770, 392204, 469540, 490255, 784408, 939080, 980510, 1666867, 1961020, 3333734, 3922040, 6667468, 8334335, 13334936, 16668670, 33337340, 66674680]

約数ペア:

[(1, 66674680), (2, 33337340), (4, 16668670), (5, 13334936), (8, 8334335), (10, 6667468), (17, 3922040), (20, 3333734), (34, 1961020), (40, 1666867), (68, 980510), (71, 939080), (85, 784408), (136, 490255), (142, 469540), (170, 392204), (284, 234770), (340, 196102), (355, 187816), (568, 117385), (680, 98051), (710, 93908), (1207, 55240), (1381, 48280), (1420, 46954), (2414, 27620), (2762, 24140), (2840, 23477), (4828, 13810), (5524, 12070), (6035, 11048), (6905, 9656)]