1580625

素因数分解:

$3^2\times 5^4\times {\mathrm{281}}^1$

素因数の和:307

約数の個数: 30

約数和(自身を含む): 2863146

約数和(自身を除く): 1282521

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 281, 375, 625, 843, 1125, 1405, 1875, 2529, 4215, 5625, 7025, 12645, 21075, 35125, 63225, 105375, 175625, 316125, 526875, 1580625]

約数ペア:

[(1, 1580625), (3, 526875), (5, 316125), (9, 175625), (15, 105375), (25, 63225), (45, 35125), (75, 21075), (125, 12645), (225, 7025), (281, 5625), (375, 4215), (625, 2529), (843, 1875), (1125, 1405)]