102220020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2617}}^1$

素因数の和:2670

約数の個数: 144

約数和(自身を含む): 365933568

約数和(自身を除く): 263713548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2617, 2790, 3255, 3906, 4340, 5234, 5580, 6510, 7812, 7851, 9765, 10468, 13020, 13085, 15702, 18319, 19530, 23553, 26170, 31404, 36638, 39060, 39255, 47106, 52340, 54957, 73276, 78510, 81127, 91595, 94212, 109914, 117765, 157020, 162254, 164871, 183190, 219828, 235530, 243381, 274785, 324508, 329742, 366380, 405635, 471060, 486762, 549570, 567889, 659484, 730143, 811270, 824355, 973524, 1099140, 1135778, 1216905, 1460286, 1622540, 1648710, 1703667, 2271556, 2433810, 2839445, 2920572, 3297420, 3407334, 3650715, 4867620, 5111001, 5678890, 6814668, 7301430, 8518335, 10222002, 11357780, 14602860, 17036670, 20444004, 25555005, 34073340, 51110010, 102220020]

約数ペア:

[(1, 102220020), (2, 51110010), (3, 34073340), (4, 25555005), (5, 20444004), (6, 17036670), (7, 14602860), (9, 11357780), (10, 10222002), (12, 8518335), (14, 7301430), (15, 6814668), (18, 5678890), (20, 5111001), (21, 4867620), (28, 3650715), (30, 3407334), (31, 3297420), (35, 2920572), (36, 2839445), (42, 2433810), (45, 2271556), (60, 1703667), (62, 1648710), (63, 1622540), (70, 1460286), (84, 1216905), (90, 1135778), (93, 1099140), (105, 973524), (124, 824355), (126, 811270), (140, 730143), (155, 659484), (180, 567889), (186, 549570), (210, 486762), (217, 471060), (252, 405635), (279, 366380), (310, 329742), (315, 324508), (372, 274785), (420, 243381), (434, 235530), (465, 219828), (558, 183190), (620, 164871), (630, 162254), (651, 157020), (868, 117765), (930, 109914), (1085, 94212), (1116, 91595), (1260, 81127), (1302, 78510), (1395, 73276), (1860, 54957), (1953, 52340), (2170, 47106), (2604, 39255), (2617, 39060), (2790, 36638), (3255, 31404), (3906, 26170), (4340, 23553), (5234, 19530), (5580, 18319), (6510, 15702), (7812, 13085), (7851, 13020), (9765, 10468)]