238440

素因数分解:

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

素因数の和:2001

約数の個数: 32

約数和(自身を含む): 715680

約数和(自身を除く): 477240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1987, 3974, 5961, 7948, 9935, 11922, 15896, 19870, 23844, 29805, 39740, 47688, 59610, 79480, 119220, 238440]

約数ペア:

[(1, 238440), (2, 119220), (3, 79480), (4, 59610), (5, 47688), (6, 39740), (8, 29805), (10, 23844), (12, 19870), (15, 15896), (20, 11922), (24, 9935), (30, 7948), (40, 5961), (60, 3974), (120, 1987)]