221630940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1231283}}^1$

素因数の和:1231298

約数の個数: 36

約数和(自身を含む): 672281064

約数和(自身を除く): 450650124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1231283, 2462566, 3693849, 4925132, 6156415, 7387698, 11081547, 12312830, 14775396, 18469245, 22163094, 24625660, 36938490, 44326188, 55407735, 73876980, 110815470, 221630940]

約数ペア:

[(1, 221630940), (2, 110815470), (3, 73876980), (4, 55407735), (5, 44326188), (6, 36938490), (9, 24625660), (10, 22163094), (12, 18469245), (15, 14775396), (18, 12312830), (20, 11081547), (30, 7387698), (36, 6156415), (45, 4925132), (60, 3693849), (90, 2462566), (180, 1231283)]