81757728

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 192

約数和(自身を含む): 266716800

約数和(自身を除く): 184959072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 29, 32, 36, 39, 48, 52, 54, 58, 72, 78, 87, 96, 104, 108, 116, 117, 144, 156, 174, 208, 216, 232, 234, 251, 261, 288, 312, 348, 351, 377, 416, 432, 464, 468, 502, 522, 624, 696, 702, 753, 754, 783, 864, 928, 936, 1004, 1044, 1131, 1248, 1392, 1404, 1506, 1508, 1566, 1872, 2008, 2088, 2259, 2262, 2784, 2808, 3012, 3016, 3132, 3263, 3393, 3744, 4016, 4176, 4518, 4524, 5616, 6024, 6032, 6264, 6526, 6777, 6786, 7279, 8032, 8352, 9036, 9048, 9789, 10179, 11232, 12048, 12064, 12528, 13052, 13554, 13572, 14558, 18072, 18096, 19578, 20358, 21837, 24096, 25056, 26104, 27108, 27144, 29116, 29367, 36144, 36192, 39156, 40716, 43674, 52208, 54216, 54288, 58232, 58734, 65511, 72288, 78312, 81432, 87348, 88101, 94627, 104416, 108432, 108576, 116464, 117468, 131022, 156624, 162864, 174696, 176202, 189254, 196533, 216864, 232928, 234936, 262044, 283881, 313248, 325728, 349392, 352404, 378508, 393066, 469872, 524088, 567762, 698784, 704808, 757016, 786132, 851643, 939744, 1048176, 1135524, 1409616, 1514032, 1572264, 1703286, 2096352, 2271048, 2554929, 2819232, 3028064, 3144528, 3406572, 4542096, 5109858, 6289056, 6813144, 9084192, 10219716, 13626288, 20439432, 27252576, 40878864, 81757728]

約数ペア:

[(1, 81757728), (2, 40878864), (3, 27252576), (4, 20439432), (6, 13626288), (8, 10219716), (9, 9084192), (12, 6813144), (13, 6289056), (16, 5109858), (18, 4542096), (24, 3406572), (26, 3144528), (27, 3028064), (29, 2819232), (32, 2554929), (36, 2271048), (39, 2096352), (48, 1703286), (52, 1572264), (54, 1514032), (58, 1409616), (72, 1135524), (78, 1048176), (87, 939744), (96, 851643), (104, 786132), (108, 757016), (116, 704808), (117, 698784), (144, 567762), (156, 524088), (174, 469872), (208, 393066), (216, 378508), (232, 352404), (234, 349392), (251, 325728), (261, 313248), (288, 283881), (312, 262044), (348, 234936), (351, 232928), (377, 216864), (416, 196533), (432, 189254), (464, 176202), (468, 174696), (502, 162864), (522, 156624), (624, 131022), (696, 117468), (702, 116464), (753, 108576), (754, 108432), (783, 104416), (864, 94627), (928, 88101), (936, 87348), (1004, 81432), (1044, 78312), (1131, 72288), (1248, 65511), (1392, 58734), (1404, 58232), (1506, 54288), (1508, 54216), (1566, 52208), (1872, 43674), (2008, 40716), (2088, 39156), (2259, 36192), (2262, 36144), (2784, 29367), (2808, 29116), (3012, 27144), (3016, 27108), (3132, 26104), (3263, 25056), (3393, 24096), (3744, 21837), (4016, 20358), (4176, 19578), (4518, 18096), (4524, 18072), (5616, 14558), (6024, 13572), (6032, 13554), (6264, 13052), (6526, 12528), (6777, 12064), (6786, 12048), (7279, 11232), (8032, 10179), (8352, 9789), (9036, 9048)]