30287480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17609}}^1$

素因数の和:17663

約数の個数: 32

約数和(自身を含む): 69735600

約数和(自身を除く): 39448120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 17609, 35218, 70436, 88045, 140872, 176090, 352180, 704360, 757187, 1514374, 3028748, 3785935, 6057496, 7571870, 15143740, 30287480]

約数ペア:

[(1, 30287480), (2, 15143740), (4, 7571870), (5, 6057496), (8, 3785935), (10, 3028748), (20, 1514374), (40, 757187), (43, 704360), (86, 352180), (172, 176090), (215, 140872), (344, 88045), (430, 70436), (860, 35218), (1720, 17609)]