220123620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1222909}}^1$

素因数の和:1222924

約数の個数: 36

約数和(自身を含む): 667708860

約数和(自身を除く): 447585240

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1222909, 2445818, 3668727, 4891636, 6114545, 7337454, 11006181, 12229090, 14674908, 18343635, 22012362, 24458180, 36687270, 44024724, 55030905, 73374540, 110061810, 220123620]

約数ペア:

[(1, 220123620), (2, 110061810), (3, 73374540), (4, 55030905), (5, 44024724), (6, 36687270), (9, 24458180), (10, 22012362), (12, 18343635), (15, 14674908), (18, 12229090), (20, 11006181), (30, 7337454), (36, 6114545), (45, 4891636), (60, 3668727), (90, 2445818), (180, 1222909)]