15640620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{260677}}^1$

素因数の和:260689

約数の個数: 24

約数和(自身を含む): 43793904

約数和(自身を除く): 28153284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 260677, 521354, 782031, 1042708, 1303385, 1564062, 2606770, 3128124, 3910155, 5213540, 7820310, 15640620]

約数ペア:

[(1, 15640620), (2, 7820310), (3, 5213540), (4, 3910155), (5, 3128124), (6, 2606770), (10, 1564062), (12, 1303385), (15, 1042708), (20, 782031), (30, 521354), (60, 260677)]