61818760

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1499}}^1$

素因数の和:2541

約数の個数: 32

約数和(自身を含む): 139320000

約数和(自身を除く): 77501240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 1499, 2062, 2998, 4124, 5155, 5996, 7495, 8248, 10310, 11992, 14990, 20620, 29980, 41240, 59960, 1545469, 3090938, 6181876, 7727345, 12363752, 15454690, 30909380, 61818760]

約数ペア:

[(1, 61818760), (2, 30909380), (4, 15454690), (5, 12363752), (8, 7727345), (10, 6181876), (20, 3090938), (40, 1545469), (1031, 59960), (1499, 41240), (2062, 29980), (2998, 20620), (4124, 14990), (5155, 11992), (5996, 10310), (7495, 8248)]