30122920

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1987}}^1$

素因数の和:2377

約数の個数: 32

約数和(自身を含む): 67989600

約数和(自身を除く): 37866680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 1987, 3032, 3790, 3974, 7580, 7948, 9935, 15160, 15896, 19870, 39740, 79480, 753073, 1506146, 3012292, 3765365, 6024584, 7530730, 15061460, 30122920]

約数ペア:

[(1, 30122920), (2, 15061460), (4, 7530730), (5, 6024584), (8, 3765365), (10, 3012292), (20, 1506146), (40, 753073), (379, 79480), (758, 39740), (1516, 19870), (1895, 15896), (1987, 15160), (3032, 9935), (3790, 7948), (3974, 7580)]