15357020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2551}}^1$

素因数の和:2610

約数の個数: 48

約数和(自身を含む): 37728768

約数和(自身を除く): 22371748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2551, 3010, 5102, 6020, 10204, 12755, 17857, 25510, 35714, 51020, 71428, 89285, 109693, 178570, 219386, 357140, 438772, 548465, 767851, 1096930, 1535702, 2193860, 3071404, 3839255, 7678510, 15357020]

約数ペア:

[(1, 15357020), (2, 7678510), (4, 3839255), (5, 3071404), (7, 2193860), (10, 1535702), (14, 1096930), (20, 767851), (28, 548465), (35, 438772), (43, 357140), (70, 219386), (86, 178570), (140, 109693), (172, 89285), (215, 71428), (301, 51020), (430, 35714), (602, 25510), (860, 17857), (1204, 12755), (1505, 10204), (2551, 6020), (3010, 5102)]