128102360

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 294174720

約数和(自身を除く): 166072360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 151, 167, 254, 302, 334, 508, 604, 635, 668, 755, 835, 1016, 1208, 1270, 1336, 1510, 1670, 2540, 3020, 3340, 5080, 6040, 6680, 19177, 21209, 25217, 38354, 42418, 50434, 76708, 84836, 95885, 100868, 106045, 126085, 153416, 169672, 191770, 201736, 212090, 252170, 383540, 424180, 504340, 767080, 848360, 1008680, 3202559, 6405118, 12810236, 16012795, 25620472, 32025590, 64051180, 128102360]

約数ペア:

[(1, 128102360), (2, 64051180), (4, 32025590), (5, 25620472), (8, 16012795), (10, 12810236), (20, 6405118), (40, 3202559), (127, 1008680), (151, 848360), (167, 767080), (254, 504340), (302, 424180), (334, 383540), (508, 252170), (604, 212090), (635, 201736), (668, 191770), (755, 169672), (835, 153416), (1016, 126085), (1208, 106045), (1270, 100868), (1336, 95885), (1510, 84836), (1670, 76708), (2540, 50434), (3020, 42418), (3340, 38354), (5080, 25217), (6040, 21209), (6680, 19177)]