31281240

素因数分解:

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

素因数の和:260691

約数の個数: 32

約数和(自身を含む): 93844080

約数和(自身を除く): 62562840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 260677, 521354, 782031, 1042708, 1303385, 1564062, 2085416, 2606770, 3128124, 3910155, 5213540, 6256248, 7820310, 10427080, 15640620, 31281240]

約数ペア:

[(1, 31281240), (2, 15640620), (3, 10427080), (4, 7820310), (5, 6256248), (6, 5213540), (8, 3910155), (10, 3128124), (12, 2606770), (15, 2085416), (20, 1564062), (24, 1303385), (30, 1042708), (40, 782031), (60, 521354), (120, 260677)]