76637680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1279}}^1$

素因数の和:1406

約数の個数: 80

約数和(自身を含む): 205701120

約数和(自身を除く): 129063440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 535, 560, 749, 856, 1070, 1279, 1498, 1712, 2140, 2558, 2996, 3745, 4280, 5116, 5992, 6395, 7490, 8560, 8953, 10232, 11984, 12790, 14980, 17906, 20464, 25580, 29960, 35812, 44765, 51160, 59920, 71624, 89530, 102320, 136853, 143248, 179060, 273706, 358120, 547412, 684265, 716240, 957971, 1094824, 1368530, 1915942, 2189648, 2737060, 3831884, 4789855, 5474120, 7663768, 9579710, 10948240, 15327536, 19159420, 38318840, 76637680]

約数ペア:

[(1, 76637680), (2, 38318840), (4, 19159420), (5, 15327536), (7, 10948240), (8, 9579710), (10, 7663768), (14, 5474120), (16, 4789855), (20, 3831884), (28, 2737060), (35, 2189648), (40, 1915942), (56, 1368530), (70, 1094824), (80, 957971), (107, 716240), (112, 684265), (140, 547412), (214, 358120), (280, 273706), (428, 179060), (535, 143248), (560, 136853), (749, 102320), (856, 89530), (1070, 71624), (1279, 59920), (1498, 51160), (1712, 44765), (2140, 35812), (2558, 29960), (2996, 25580), (3745, 20464), (4280, 17906), (5116, 14980), (5992, 12790), (6395, 11984), (7490, 10232), (8560, 8953)]