205906860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{127103}}^1$

素因数の和:127124

約数の個数: 60

約数和(自身を含む): 645942528

約数和(自身を除く): 440035668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 127103, 254206, 381309, 508412, 635515, 762618, 1143927, 1271030, 1525236, 1906545, 2287854, 2542060, 3431781, 3813090, 4575708, 5719635, 6863562, 7626180, 10295343, 11439270, 13727124, 17158905, 20590686, 22878540, 34317810, 41181372, 51476715, 68635620, 102953430, 205906860]

約数ペア:

[(1, 205906860), (2, 102953430), (3, 68635620), (4, 51476715), (5, 41181372), (6, 34317810), (9, 22878540), (10, 20590686), (12, 17158905), (15, 13727124), (18, 11439270), (20, 10295343), (27, 7626180), (30, 6863562), (36, 5719635), (45, 4575708), (54, 3813090), (60, 3431781), (81, 2542060), (90, 2287854), (108, 1906545), (135, 1525236), (162, 1271030), (180, 1143927), (270, 762618), (324, 635515), (405, 508412), (540, 381309), (810, 254206), (1620, 127103)]