78805760

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 214129440

約数和(自身を除く): 135323680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 128, 145, 160, 176, 193, 220, 232, 256, 290, 319, 320, 352, 386, 440, 464, 580, 638, 640, 704, 772, 880, 928, 965, 1160, 1276, 1280, 1408, 1544, 1595, 1760, 1856, 1930, 2123, 2320, 2552, 2816, 3088, 3190, 3520, 3712, 3860, 4246, 4640, 5104, 5597, 6176, 6380, 7040, 7424, 7720, 8492, 9280, 10208, 10615, 11194, 12352, 12760, 14080, 15440, 16984, 18560, 20416, 21230, 22388, 24704, 25520, 27985, 30880, 33968, 37120, 40832, 42460, 44776, 49408, 51040, 55970, 61567, 61760, 67936, 81664, 84920, 89552, 102080, 111940, 123134, 123520, 135872, 169840, 179104, 204160, 223880, 246268, 247040, 271744, 307835, 339680, 358208, 408320, 447760, 492536, 543488, 615670, 679360, 716416, 895520, 985072, 1231340, 1358720, 1432832, 1791040, 1970144, 2462680, 2717440, 3582080, 3940288, 4925360, 7164160, 7880576, 9850720, 15761152, 19701440, 39402880, 78805760]

約数ペア:

[(1, 78805760), (2, 39402880), (4, 19701440), (5, 15761152), (8, 9850720), (10, 7880576), (11, 7164160), (16, 4925360), (20, 3940288), (22, 3582080), (29, 2717440), (32, 2462680), (40, 1970144), (44, 1791040), (55, 1432832), (58, 1358720), (64, 1231340), (80, 985072), (88, 895520), (110, 716416), (116, 679360), (128, 615670), (145, 543488), (160, 492536), (176, 447760), (193, 408320), (220, 358208), (232, 339680), (256, 307835), (290, 271744), (319, 247040), (320, 246268), (352, 223880), (386, 204160), (440, 179104), (464, 169840), (580, 135872), (638, 123520), (640, 123134), (704, 111940), (772, 102080), (880, 89552), (928, 84920), (965, 81664), (1160, 67936), (1276, 61760), (1280, 61567), (1408, 55970), (1544, 51040), (1595, 49408), (1760, 44776), (1856, 42460), (1930, 40832), (2123, 37120), (2320, 33968), (2552, 30880), (2816, 27985), (3088, 25520), (3190, 24704), (3520, 22388), (3712, 21230), (3860, 20416), (4246, 18560), (4640, 16984), (5104, 15440), (5597, 14080), (6176, 12760), (6380, 12352), (7040, 11194), (7424, 10615), (7720, 10208), (8492, 9280)]