15285520

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1217}}^1$

素因数の和:1387

約数の個数: 40

約数和(自身を含む): 35794584

約数和(自身を除く): 20509064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1217, 1256, 1570, 2434, 2512, 3140, 4868, 6085, 6280, 9736, 12170, 12560, 19472, 24340, 48680, 97360, 191069, 382138, 764276, 955345, 1528552, 1910690, 3057104, 3821380, 7642760, 15285520]

約数ペア:

[(1, 15285520), (2, 7642760), (4, 3821380), (5, 3057104), (8, 1910690), (10, 1528552), (16, 955345), (20, 764276), (40, 382138), (80, 191069), (157, 97360), (314, 48680), (628, 24340), (785, 19472), (1217, 12560), (1256, 12170), (1570, 9736), (2434, 6280), (2512, 6085), (3140, 4868)]