31277640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{260647}}^1$

素因数の和:260661

約数の個数: 32

約数和(自身を含む): 93833280

約数和(自身を除く): 62555640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 260647, 521294, 781941, 1042588, 1303235, 1563882, 2085176, 2606470, 3127764, 3909705, 5212940, 6255528, 7819410, 10425880, 15638820, 31277640]

約数ペア:

[(1, 31277640), (2, 15638820), (3, 10425880), (4, 7819410), (5, 6255528), (6, 5212940), (8, 3909705), (10, 3127764), (12, 2606470), (15, 2085176), (20, 1563882), (24, 1303235), (30, 1042588), (40, 781941), (60, 521294), (120, 260647)]