15615780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{260263}}^1$

素因数の和:260275

約数の個数: 24

約数和(自身を含む): 43724352

約数和(自身を除く): 28108572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 260263, 520526, 780789, 1041052, 1301315, 1561578, 2602630, 3123156, 3903945, 5205260, 7807890, 15615780]

約数ペア:

[(1, 15615780), (2, 7807890), (3, 5205260), (4, 3903945), (5, 3123156), (6, 2602630), (10, 1561578), (12, 1301315), (15, 1041052), (20, 780789), (30, 520526), (60, 260263)]