1276980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21283}}^1$

素因数の和:21295

約数の個数: 24

約数和(自身を含む): 3575712

約数和(自身を除く): 2298732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21283, 42566, 63849, 85132, 106415, 127698, 212830, 255396, 319245, 425660, 638490, 1276980]

約数ペア:

[(1, 1276980), (2, 638490), (3, 425660), (4, 319245), (5, 255396), (6, 212830), (10, 127698), (12, 106415), (15, 85132), (20, 63849), (30, 42566), (60, 21283)]