2181276760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:426

約数の個数: 256

約数和(自身を含む): 6023808000

約数和(自身を除く): 3842531240

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 29, 38, 40, 46, 52, 58, 65, 76, 92, 95, 104, 115, 116, 130, 145, 152, 184, 190, 230, 232, 247, 260, 290, 299, 331, 377, 380, 437, 460, 494, 520, 551, 580, 598, 662, 667, 754, 760, 874, 920, 988, 1102, 1160, 1196, 1235, 1324, 1334, 1495, 1508, 1655, 1748, 1885, 1976, 2185, 2204, 2392, 2470, 2648, 2668, 2755, 2990, 3016, 3310, 3335, 3496, 3770, 4303, 4370, 4408, 4940, 5336, 5510, 5681, 5980, 6289, 6620, 6670, 7163, 7540, 7613, 8606, 8671, 8740, 9599, 9880, 11020, 11362, 11960, 12578, 12673, 13240, 13340, 14326, 15080, 15226, 17212, 17342, 17480, 19198, 21515, 22040, 22724, 25156, 25346, 26680, 28405, 28652, 30452, 31445, 34424, 34684, 35815, 38065, 38396, 43030, 43355, 45448, 47995, 50312, 50692, 56810, 57304, 60904, 62890, 63365, 69368, 71630, 76130, 76792, 81757, 86060, 86710, 95990, 98969, 101384, 113620, 124787, 125780, 126730, 143260, 144647, 152260, 163514, 164749, 172120, 173420, 182381, 191980, 197938, 220777, 227240, 249574, 251560, 253460, 286520, 289294, 304520, 327028, 329498, 346840, 364762, 383960, 395876, 408785, 441554, 494845, 499148, 506920, 578588, 623935, 654056, 658996, 723235, 729524, 791752, 817570, 823745, 883108, 911905, 989690, 998296, 1103885, 1157176, 1247870, 1317992, 1446470, 1459048, 1635140, 1647490, 1766216, 1823810, 1880411, 1979380, 2207770, 2370953, 2495740, 2870101, 2892940, 3270280, 3294980, 3647620, 3760822, 3958760, 4194763, 4415540, 4741906, 4991480, 5740202, 5785880, 6589960, 7295240, 7521644, 8389526, 8831080, 9402055, 9483812, 11480404, 11854765, 14350505, 15043288, 16779052, 18804110, 18967624, 20973815, 22960808, 23709530, 28701010, 33558104, 37608220, 41947630, 47419060, 54531919, 57402020, 75216440, 83895260, 94838120, 109063838, 114804040, 167790520, 218127676, 272659595, 436255352, 545319190, 1090638380, 2181276760]

約数ペア:

[(1, 2181276760), (2, 1090638380), (4, 545319190), (5, 436255352), (8, 272659595), (10, 218127676), (13, 167790520), (19, 114804040), (20, 109063838), (23, 94838120), (26, 83895260), (29, 75216440), (38, 57402020), (40, 54531919), (46, 47419060), (52, 41947630), (58, 37608220), (65, 33558104), (76, 28701010), (92, 23709530), (95, 22960808), (104, 20973815), (115, 18967624), (116, 18804110), (130, 16779052), (145, 15043288), (152, 14350505), (184, 11854765), (190, 11480404), (230, 9483812), (232, 9402055), (247, 8831080), (260, 8389526), (290, 7521644), (299, 7295240), (331, 6589960), (377, 5785880), (380, 5740202), (437, 4991480), (460, 4741906), (494, 4415540), (520, 4194763), (551, 3958760), (580, 3760822), (598, 3647620), (662, 3294980), (667, 3270280), (754, 2892940), (760, 2870101), (874, 2495740), (920, 2370953), (988, 2207770), (1102, 1979380), (1160, 1880411), (1196, 1823810), (1235, 1766216), (1324, 1647490), (1334, 1635140), (1495, 1459048), (1508, 1446470), (1655, 1317992), (1748, 1247870), (1885, 1157176), (1976, 1103885), (2185, 998296), (2204, 989690), (2392, 911905), (2470, 883108), (2648, 823745), (2668, 817570), (2755, 791752), (2990, 729524), (3016, 723235), (3310, 658996), (3335, 654056), (3496, 623935), (3770, 578588), (4303, 506920), (4370, 499148), (4408, 494845), (4940, 441554), (5336, 408785), (5510, 395876), (5681, 383960), (5980, 364762), (6289, 346840), (6620, 329498), (6670, 327028), (7163, 304520), (7540, 289294), (7613, 286520), (8606, 253460), (8671, 251560), (8740, 249574), (9599, 227240), (9880, 220777), (11020, 197938), (11362, 191980), (11960, 182381), (12578, 173420), (12673, 172120), (13240, 164749), (13340, 163514), (14326, 152260), (15080, 144647), (15226, 143260), (17212, 126730), (17342, 125780), (17480, 124787), (19198, 113620), (21515, 101384), (22040, 98969), (22724, 95990), (25156, 86710), (25346, 86060), (26680, 81757), (28405, 76792), (28652, 76130), (30452, 71630), (31445, 69368), (34424, 63365), (34684, 62890), (35815, 60904), (38065, 57304), (38396, 56810), (43030, 50692), (43355, 50312), (45448, 47995)]