128228580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16567}}^1$

素因数の和:16625

約数の個数: 72

約数和(自身を含む): 398029632

約数和(自身を除く): 269801052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 16567, 33134, 49701, 66268, 82835, 99402, 149103, 165670, 198804, 248505, 298206, 331340, 497010, 596412, 712381, 745515, 994020, 1424762, 1491030, 2137143, 2849524, 2982060, 3561905, 4274286, 6411429, 7123810, 8548572, 10685715, 12822858, 14247620, 21371430, 25645716, 32057145, 42742860, 64114290, 128228580]

約数ペア:

[(1, 128228580), (2, 64114290), (3, 42742860), (4, 32057145), (5, 25645716), (6, 21371430), (9, 14247620), (10, 12822858), (12, 10685715), (15, 8548572), (18, 7123810), (20, 6411429), (30, 4274286), (36, 3561905), (43, 2982060), (45, 2849524), (60, 2137143), (86, 1491030), (90, 1424762), (129, 994020), (172, 745515), (180, 712381), (215, 596412), (258, 497010), (387, 331340), (430, 298206), (516, 248505), (645, 198804), (774, 165670), (860, 149103), (1290, 99402), (1548, 82835), (1935, 66268), (2580, 49701), (3870, 33134), (7740, 16567)]