30109520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7681}}^1$

素因数の和:7708

約数の個数: 60

約数和(自身を含む): 81444564

約数和(自身を除く): 51335044

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7681, 15362, 30724, 38405, 53767, 61448, 76810, 107534, 122896, 153620, 215068, 268835, 307240, 376369, 430136, 537670, 614480, 752738, 860272, 1075340, 1505476, 1881845, 2150680, 3010952, 3763690, 4301360, 6021904, 7527380, 15054760, 30109520]

約数ペア:

[(1, 30109520), (2, 15054760), (4, 7527380), (5, 6021904), (7, 4301360), (8, 3763690), (10, 3010952), (14, 2150680), (16, 1881845), (20, 1505476), (28, 1075340), (35, 860272), (40, 752738), (49, 614480), (56, 537670), (70, 430136), (80, 376369), (98, 307240), (112, 268835), (140, 215068), (196, 153620), (245, 122896), (280, 107534), (392, 76810), (490, 61448), (560, 53767), (784, 38405), (980, 30724), (1960, 15362), (3920, 7681)]