25989960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1987}}^1$

素因数の和:2110

約数の個数: 64

約数和(自身を含む): 78724800

約数和(自身を除く): 52734840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1987, 2180, 2616, 3270, 3974, 4360, 5961, 6540, 7948, 9935, 11922, 13080, 15896, 19870, 23844, 29805, 39740, 47688, 59610, 79480, 119220, 216583, 238440, 433166, 649749, 866332, 1082915, 1299498, 1732664, 2165830, 2598996, 3248745, 4331660, 5197992, 6497490, 8663320, 12994980, 25989960]

約数ペア:

[(1, 25989960), (2, 12994980), (3, 8663320), (4, 6497490), (5, 5197992), (6, 4331660), (8, 3248745), (10, 2598996), (12, 2165830), (15, 1732664), (20, 1299498), (24, 1082915), (30, 866332), (40, 649749), (60, 433166), (109, 238440), (120, 216583), (218, 119220), (327, 79480), (436, 59610), (545, 47688), (654, 39740), (872, 29805), (1090, 23844), (1308, 19870), (1635, 15896), (1987, 13080), (2180, 11922), (2616, 9935), (3270, 7948), (3974, 6540), (4360, 5961)]