80726220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{49831}}^1$

素因数の和:49852

約数の個数: 60

約数和(自身を含む): 253246224

約数和(自身を除く): 172520004

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, 49831, 99662, 149493, 199324, 249155, 298986, 448479, 498310, 597972, 747465, 896958, 996620, 1345437, 1494930, 1793916, 2242395, 2690874, 2989860, 4036311, 4484790, 5381748, 6727185, 8072622, 8969580, 13454370, 16145244, 20181555, 26908740, 40363110, 80726220]

約数ペア:

[(1, 80726220), (2, 40363110), (3, 26908740), (4, 20181555), (5, 16145244), (6, 13454370), (9, 8969580), (10, 8072622), (12, 6727185), (15, 5381748), (18, 4484790), (20, 4036311), (27, 2989860), (30, 2690874), (36, 2242395), (45, 1793916), (54, 1494930), (60, 1345437), (81, 996620), (90, 896958), (108, 747465), (135, 597972), (162, 498310), (180, 448479), (270, 298986), (324, 249155), (405, 199324), (540, 149493), (810, 99662), (1620, 49831)]