28156980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{469283}}^1$

素因数の和:469295

約数の個数: 24

約数和(自身を含む): 78839712

約数和(自身を除く): 50682732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 469283, 938566, 1407849, 1877132, 2346415, 2815698, 4692830, 5631396, 7039245, 9385660, 14078490, 28156980]

約数ペア:

[(1, 28156980), (2, 14078490), (3, 9385660), (4, 7039245), (5, 5631396), (6, 4692830), (10, 2815698), (12, 2346415), (15, 1877132), (20, 1407849), (30, 938566), (60, 469283)]