28705260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{478421}}^1$

素因数の和:478433

約数の個数: 24

約数和(自身を含む): 80374896

約数和(自身を除く): 51669636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 478421, 956842, 1435263, 1913684, 2392105, 2870526, 4784210, 5741052, 7176315, 9568420, 14352630, 28705260]

約数ペア:

[(1, 28705260), (2, 14352630), (3, 9568420), (4, 7176315), (5, 5741052), (6, 4784210), (10, 2870526), (12, 2392105), (15, 1913684), (20, 1435263), (30, 956842), (60, 478421)]