157505960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{135781}}^1$

素因数の和:135821

約数の個数: 32

約数和(自身を含む): 366611400

約数和(自身を除く): 209105440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 135781, 271562, 543124, 678905, 1086248, 1357810, 2715620, 3937649, 5431240, 7875298, 15750596, 19688245, 31501192, 39376490, 78752980, 157505960]

約数ペア:

[(1, 157505960), (2, 78752980), (4, 39376490), (5, 31501192), (8, 19688245), (10, 15750596), (20, 7875298), (29, 5431240), (40, 3937649), (58, 2715620), (116, 1357810), (145, 1086248), (232, 678905), (290, 543124), (580, 271562), (1160, 135781)]