131223540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3221}}^1$

素因数の和:3337

約数の個数: 96

約数和(自身を含む): 424376064

約数和(自身を除く): 293152524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 582, 679, 970, 1164, 1358, 1455, 1940, 2037, 2716, 2910, 3221, 3395, 4074, 5820, 6442, 6790, 8148, 9663, 10185, 12884, 13580, 16105, 19326, 20370, 22547, 32210, 38652, 40740, 45094, 48315, 64420, 67641, 90188, 96630, 112735, 135282, 193260, 225470, 270564, 312437, 338205, 450940, 624874, 676410, 937311, 1249748, 1352820, 1562185, 1874622, 2187059, 3124370, 3749244, 4374118, 4686555, 6248740, 6561177, 8748236, 9373110, 10935295, 13122354, 18746220, 21870590, 26244708, 32805885, 43741180, 65611770, 131223540]

約数ペア:

[(1, 131223540), (2, 65611770), (3, 43741180), (4, 32805885), (5, 26244708), (6, 21870590), (7, 18746220), (10, 13122354), (12, 10935295), (14, 9373110), (15, 8748236), (20, 6561177), (21, 6248740), (28, 4686555), (30, 4374118), (35, 3749244), (42, 3124370), (60, 2187059), (70, 1874622), (84, 1562185), (97, 1352820), (105, 1249748), (140, 937311), (194, 676410), (210, 624874), (291, 450940), (388, 338205), (420, 312437), (485, 270564), (582, 225470), (679, 193260), (970, 135282), (1164, 112735), (1358, 96630), (1455, 90188), (1940, 67641), (2037, 64420), (2716, 48315), (2910, 45094), (3221, 40740), (3395, 38652), (4074, 32210), (5820, 22547), (6442, 20370), (6790, 19326), (8148, 16105), (9663, 13580), (10185, 12884)]