90212940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:493

約数の個数: 120

約数和(自身を含む): 285405120

約数和(自身を除く): 195192180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 233, 239, 270, 324, 405, 466, 478, 540, 699, 717, 810, 932, 956, 1165, 1195, 1398, 1434, 1620, 2097, 2151, 2330, 2390, 2796, 2868, 3495, 3585, 4194, 4302, 4660, 4780, 6291, 6453, 6990, 7170, 8388, 8604, 10485, 10755, 12582, 12906, 13980, 14340, 18873, 19359, 20970, 21510, 25164, 25812, 31455, 32265, 37746, 38718, 41940, 43020, 55687, 62910, 64530, 75492, 77436, 94365, 96795, 111374, 125820, 129060, 167061, 188730, 193590, 222748, 278435, 334122, 377460, 387180, 501183, 556870, 668244, 835305, 1002366, 1113740, 1503549, 1670610, 2004732, 2505915, 3007098, 3341220, 4510647, 5011830, 6014196, 7517745, 9021294, 10023660, 15035490, 18042588, 22553235, 30070980, 45106470, 90212940]

約数ペア:

[(1, 90212940), (2, 45106470), (3, 30070980), (4, 22553235), (5, 18042588), (6, 15035490), (9, 10023660), (10, 9021294), (12, 7517745), (15, 6014196), (18, 5011830), (20, 4510647), (27, 3341220), (30, 3007098), (36, 2505915), (45, 2004732), (54, 1670610), (60, 1503549), (81, 1113740), (90, 1002366), (108, 835305), (135, 668244), (162, 556870), (180, 501183), (233, 387180), (239, 377460), (270, 334122), (324, 278435), (405, 222748), (466, 193590), (478, 188730), (540, 167061), (699, 129060), (717, 125820), (810, 111374), (932, 96795), (956, 94365), (1165, 77436), (1195, 75492), (1398, 64530), (1434, 62910), (1620, 55687), (2097, 43020), (2151, 41940), (2330, 38718), (2390, 37746), (2796, 32265), (2868, 31455), (3495, 25812), (3585, 25164), (4194, 21510), (4302, 20970), (4660, 19359), (4780, 18873), (6291, 14340), (6453, 13980), (6990, 12906), (7170, 12582), (8388, 10755), (8604, 10485)]