15309380

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1559}}^1$

素因数の和:2059

約数の個数: 24

約数和(自身を含む): 32235840

約数和(自身を除く): 16926460

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1559, 1964, 2455, 3118, 4910, 6236, 7795, 9820, 15590, 31180, 765469, 1530938, 3061876, 3827345, 7654690, 15309380]

約数ペア:

[(1, 15309380), (2, 7654690), (4, 3827345), (5, 3061876), (10, 1530938), (20, 765469), (491, 31180), (982, 15590), (1559, 9820), (1964, 7795), (2455, 6236), (3118, 4910)]