1427831240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{751}}^1$

素因数の和:951

約数の個数: 128

約数和(自身を含む): 3654720000

約数和(自身を除く): 2226888760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 149, 220, 232, 290, 298, 319, 440, 580, 596, 638, 745, 751, 1160, 1192, 1276, 1490, 1502, 1595, 1639, 2552, 2980, 3004, 3190, 3278, 3755, 4321, 5960, 6008, 6380, 6556, 7510, 8195, 8261, 8642, 12760, 13112, 15020, 16390, 16522, 17284, 21605, 21779, 30040, 32780, 33044, 34568, 41305, 43210, 43558, 47531, 65560, 66088, 82610, 86420, 87116, 95062, 108895, 111899, 165220, 172840, 174232, 190124, 217790, 223798, 237655, 239569, 330440, 380248, 435580, 447596, 475310, 479138, 559495, 871160, 895192, 950620, 958276, 1118990, 1197845, 1230889, 1901240, 1916552, 2237980, 2395690, 2461778, 3245071, 4475960, 4791380, 4923556, 6154445, 6490142, 9582760, 9847112, 12308890, 12980284, 16225355, 24617780, 25960568, 32450710, 35695781, 49235560, 64901420, 71391562, 129802840, 142783124, 178478905, 285566248, 356957810, 713915620, 1427831240]

約数ペア:

[(1, 1427831240), (2, 713915620), (4, 356957810), (5, 285566248), (8, 178478905), (10, 142783124), (11, 129802840), (20, 71391562), (22, 64901420), (29, 49235560), (40, 35695781), (44, 32450710), (55, 25960568), (58, 24617780), (88, 16225355), (110, 12980284), (116, 12308890), (145, 9847112), (149, 9582760), (220, 6490142), (232, 6154445), (290, 4923556), (298, 4791380), (319, 4475960), (440, 3245071), (580, 2461778), (596, 2395690), (638, 2237980), (745, 1916552), (751, 1901240), (1160, 1230889), (1192, 1197845), (1276, 1118990), (1490, 958276), (1502, 950620), (1595, 895192), (1639, 871160), (2552, 559495), (2980, 479138), (3004, 475310), (3190, 447596), (3278, 435580), (3755, 380248), (4321, 330440), (5960, 239569), (6008, 237655), (6380, 223798), (6556, 217790), (7510, 190124), (8195, 174232), (8261, 172840), (8642, 165220), (12760, 111899), (13112, 108895), (15020, 95062), (16390, 87116), (16522, 86420), (17284, 82610), (21605, 66088), (21779, 65560), (30040, 47531), (32780, 43558), (33044, 43210), (34568, 41305)]