80906220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10453}}^1$

素因数の和:10511

約数の個数: 72

約数和(自身を含む): 251146896

約数和(自身を除く): 170240676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 10453, 20906, 31359, 41812, 52265, 62718, 94077, 104530, 125436, 156795, 188154, 209060, 313590, 376308, 449479, 470385, 627180, 898958, 940770, 1348437, 1797916, 1881540, 2247395, 2696874, 4045311, 4494790, 5393748, 6742185, 8090622, 8989580, 13484370, 16181244, 20226555, 26968740, 40453110, 80906220]

約数ペア:

[(1, 80906220), (2, 40453110), (3, 26968740), (4, 20226555), (5, 16181244), (6, 13484370), (9, 8989580), (10, 8090622), (12, 6742185), (15, 5393748), (18, 4494790), (20, 4045311), (30, 2696874), (36, 2247395), (43, 1881540), (45, 1797916), (60, 1348437), (86, 940770), (90, 898958), (129, 627180), (172, 470385), (180, 449479), (215, 376308), (258, 313590), (387, 209060), (430, 188154), (516, 156795), (645, 125436), (774, 104530), (860, 94077), (1290, 62718), (1548, 52265), (1935, 41812), (2580, 31359), (3870, 20906), (7740, 10453)]