206888580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{127709}}^1$

素因数の和:127730

約数の個数: 60

約数和(自身を含む): 649022220

約数和(自身を除く): 442133640

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, 127709, 255418, 383127, 510836, 638545, 766254, 1149381, 1277090, 1532508, 1915635, 2298762, 2554180, 3448143, 3831270, 4597524, 5746905, 6896286, 7662540, 10344429, 11493810, 13792572, 17240715, 20688858, 22987620, 34481430, 41377716, 51722145, 68962860, 103444290, 206888580]

約数ペア:

[(1, 206888580), (2, 103444290), (3, 68962860), (4, 51722145), (5, 41377716), (6, 34481430), (9, 22987620), (10, 20688858), (12, 17240715), (15, 13792572), (18, 11493810), (20, 10344429), (27, 7662540), (30, 6896286), (36, 5746905), (45, 4597524), (54, 3831270), (60, 3448143), (81, 2554180), (90, 2298762), (108, 1915635), (135, 1532508), (162, 1277090), (180, 1149381), (270, 766254), (324, 638545), (405, 510836), (540, 383127), (810, 255418), (1620, 127709)]