2015248840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:751

約数の個数: 128

約数和(自身を含む): 5073840000

約数和(自身を除く): 3058591160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 149, 220, 236, 295, 298, 440, 472, 521, 590, 596, 649, 745, 1042, 1180, 1192, 1298, 1490, 1639, 2084, 2360, 2596, 2605, 2980, 3245, 3278, 4168, 5192, 5210, 5731, 5960, 6490, 6556, 8195, 8791, 10420, 11462, 12980, 13112, 16390, 17582, 20840, 22924, 25960, 28655, 30739, 32780, 35164, 43955, 45848, 57310, 61478, 65560, 70328, 77629, 87910, 96701, 114620, 122956, 153695, 155258, 175820, 193402, 229240, 245912, 307390, 310516, 338129, 351640, 386804, 388145, 483505, 614780, 621032, 676258, 773608, 776290, 853919, 967010, 1229560, 1352516, 1552580, 1690645, 1707838, 1934020, 2705032, 3105160, 3381290, 3415676, 3868040, 4269595, 4580111, 6762580, 6831352, 8539190, 9160222, 13525160, 17078380, 18320444, 22900555, 34156760, 36640888, 45801110, 50381221, 91602220, 100762442, 183204440, 201524884, 251906105, 403049768, 503812210, 1007624420, 2015248840]

約数ペア:

[(1, 2015248840), (2, 1007624420), (4, 503812210), (5, 403049768), (8, 251906105), (10, 201524884), (11, 183204440), (20, 100762442), (22, 91602220), (40, 50381221), (44, 45801110), (55, 36640888), (59, 34156760), (88, 22900555), (110, 18320444), (118, 17078380), (149, 13525160), (220, 9160222), (236, 8539190), (295, 6831352), (298, 6762580), (440, 4580111), (472, 4269595), (521, 3868040), (590, 3415676), (596, 3381290), (649, 3105160), (745, 2705032), (1042, 1934020), (1180, 1707838), (1192, 1690645), (1298, 1552580), (1490, 1352516), (1639, 1229560), (2084, 967010), (2360, 853919), (2596, 776290), (2605, 773608), (2980, 676258), (3245, 621032), (3278, 614780), (4168, 483505), (5192, 388145), (5210, 386804), (5731, 351640), (5960, 338129), (6490, 310516), (6556, 307390), (8195, 245912), (8791, 229240), (10420, 193402), (11462, 175820), (12980, 155258), (13112, 153695), (16390, 122956), (17582, 114620), (20840, 96701), (22924, 87910), (25960, 77629), (28655, 70328), (30739, 65560), (32780, 61478), (35164, 57310), (43955, 45848)]