15008720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4363}}^1$

素因数の和:4419

約数の個数: 40

約数和(自身を含む): 35714976

約数和(自身を除く): 20706256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4363, 8726, 17452, 21815, 34904, 43630, 69808, 87260, 174520, 187609, 349040, 375218, 750436, 938045, 1500872, 1876090, 3001744, 3752180, 7504360, 15008720]

約数ペア:

[(1, 15008720), (2, 7504360), (4, 3752180), (5, 3001744), (8, 1876090), (10, 1500872), (16, 938045), (20, 750436), (40, 375218), (43, 349040), (80, 187609), (86, 174520), (172, 87260), (215, 69808), (344, 43630), (430, 34904), (688, 21815), (860, 17452), (1720, 8726), (3440, 4363)]