80679280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5393}}^1$

素因数の和:5434

約数の個数: 80

約数和(自身を含む): 216709344

約数和(自身を除く): 136030064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 5393, 7480, 10786, 14960, 21572, 26965, 43144, 53930, 59323, 86288, 91681, 107860, 118646, 183362, 215720, 237292, 296615, 366724, 431440, 458405, 474584, 593230, 733448, 916810, 949168, 1008491, 1186460, 1466896, 1833620, 2016982, 2372920, 3667240, 4033964, 4745840, 5042455, 7334480, 8067928, 10084910, 16135856, 20169820, 40339640, 80679280]

約数ペア:

[(1, 80679280), (2, 40339640), (4, 20169820), (5, 16135856), (8, 10084910), (10, 8067928), (11, 7334480), (16, 5042455), (17, 4745840), (20, 4033964), (22, 3667240), (34, 2372920), (40, 2016982), (44, 1833620), (55, 1466896), (68, 1186460), (80, 1008491), (85, 949168), (88, 916810), (110, 733448), (136, 593230), (170, 474584), (176, 458405), (187, 431440), (220, 366724), (272, 296615), (340, 237292), (374, 215720), (440, 183362), (680, 118646), (748, 107860), (880, 91681), (935, 86288), (1360, 59323), (1496, 53930), (1870, 43144), (2992, 26965), (3740, 21572), (5393, 14960), (7480, 10786)]