15640260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{260671}}^1$

素因数の和:260683

約数の個数: 24

約数和(自身を含む): 43792896

約数和(自身を除く): 28152636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 260671, 521342, 782013, 1042684, 1303355, 1564026, 2606710, 3128052, 3910065, 5213420, 7820130, 15640260]

約数ペア:

[(1, 15640260), (2, 7820130), (3, 5213420), (4, 3910065), (5, 3128052), (6, 2606710), (10, 1564026), (12, 1303355), (15, 1042684), (20, 782013), (30, 521342), (60, 260671)]