15155960

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{673}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 34212240

約数和(自身を除く): 19056280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 673, 1126, 1346, 2252, 2692, 2815, 3365, 4504, 5384, 5630, 6730, 11260, 13460, 22520, 26920, 378899, 757798, 1515596, 1894495, 3031192, 3788990, 7577980, 15155960]

約数ペア:

[(1, 15155960), (2, 7577980), (4, 3788990), (5, 3031192), (8, 1894495), (10, 1515596), (20, 757798), (40, 378899), (563, 26920), (673, 22520), (1126, 13460), (1346, 11260), (2252, 6730), (2692, 5630), (2815, 5384), (3365, 4504)]