10252920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2044

約数の個数: 64

約数和(自身を含む): 31489920

約数和(自身を除く): 21237000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 1987, 2580, 3974, 5160, 5961, 7948, 9935, 11922, 15896, 19870, 23844, 29805, 39740, 47688, 59610, 79480, 85441, 119220, 170882, 238440, 256323, 341764, 427205, 512646, 683528, 854410, 1025292, 1281615, 1708820, 2050584, 2563230, 3417640, 5126460, 10252920]

約数ペア:

[(1, 10252920), (2, 5126460), (3, 3417640), (4, 2563230), (5, 2050584), (6, 1708820), (8, 1281615), (10, 1025292), (12, 854410), (15, 683528), (20, 512646), (24, 427205), (30, 341764), (40, 256323), (43, 238440), (60, 170882), (86, 119220), (120, 85441), (129, 79480), (172, 59610), (215, 47688), (258, 39740), (344, 29805), (430, 23844), (516, 19870), (645, 15896), (860, 11922), (1032, 9935), (1290, 7948), (1720, 5961), (1987, 5160), (2580, 3974)]