2015906220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{260453}}^1$

素因数の和:260511

約数の個数: 72

約数和(自身を含む): 6257146896

約数和(自身を除く): 4241240676

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, 260453, 520906, 781359, 1041812, 1302265, 1562718, 2344077, 2604530, 3125436, 3906795, 4688154, 5209060, 7813590, 9376308, 11199479, 11720385, 15627180, 22398958, 23440770, 33598437, 44797916, 46881540, 55997395, 67196874, 100795311, 111994790, 134393748, 167992185, 201590622, 223989580, 335984370, 403181244, 503976555, 671968740, 1007953110, 2015906220]

約数ペア:

[(1, 2015906220), (2, 1007953110), (3, 671968740), (4, 503976555), (5, 403181244), (6, 335984370), (9, 223989580), (10, 201590622), (12, 167992185), (15, 134393748), (18, 111994790), (20, 100795311), (30, 67196874), (36, 55997395), (43, 46881540), (45, 44797916), (60, 33598437), (86, 23440770), (90, 22398958), (129, 15627180), (172, 11720385), (180, 11199479), (215, 9376308), (258, 7813590), (387, 5209060), (430, 4688154), (516, 3906795), (645, 3125436), (774, 2604530), (860, 2344077), (1290, 1562718), (1548, 1302265), (1935, 1041812), (2580, 781359), (3870, 520906), (7740, 260453)]