30741680

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2579}}^1$

素因数の和:2741

約数の個数: 40

約数和(自身を含む): 71982000

約数和(自身を除く): 41240320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2579, 2980, 5158, 5960, 10316, 11920, 12895, 20632, 25790, 41264, 51580, 103160, 206320, 384271, 768542, 1537084, 1921355, 3074168, 3842710, 6148336, 7685420, 15370840, 30741680]

約数ペア:

[(1, 30741680), (2, 15370840), (4, 7685420), (5, 6148336), (8, 3842710), (10, 3074168), (16, 1921355), (20, 1537084), (40, 768542), (80, 384271), (149, 206320), (298, 103160), (596, 51580), (745, 41264), (1192, 25790), (1490, 20632), (2384, 12895), (2579, 11920), (2980, 10316), (5158, 5960)]