646210320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1993}}^1$

素因数の和:2209

約数の個数: 160

約数和(自身を含む): 2302447872

約数和(自身を除く): 1656237552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 193, 210, 240, 280, 336, 386, 420, 560, 579, 772, 840, 965, 1158, 1351, 1544, 1680, 1930, 1993, 2316, 2702, 2895, 3088, 3860, 3986, 4053, 4632, 5404, 5790, 5979, 6755, 7720, 7972, 8106, 9264, 9965, 10808, 11580, 11958, 13510, 13951, 15440, 15944, 16212, 19930, 20265, 21616, 23160, 23916, 27020, 27902, 29895, 31888, 32424, 39860, 40530, 41853, 46320, 47832, 54040, 55804, 59790, 64848, 69755, 79720, 81060, 83706, 95664, 108080, 111608, 119580, 139510, 159440, 162120, 167412, 209265, 223216, 239160, 279020, 324240, 334824, 384649, 418530, 478320, 558040, 669648, 769298, 837060, 1116080, 1153947, 1538596, 1674120, 1923245, 2307894, 2692543, 3077192, 3348240, 3846490, 4615788, 5385086, 5769735, 6154384, 7692980, 8077629, 9231576, 10770172, 11539470, 13462715, 15385960, 16155258, 18463152, 21540344, 23078940, 26925430, 30771920, 32310516, 40388145, 43080688, 46157880, 53850860, 64621032, 80776290, 92315760, 107701720, 129242064, 161552580, 215403440, 323105160, 646210320]

約数ペア:

[(1, 646210320), (2, 323105160), (3, 215403440), (4, 161552580), (5, 129242064), (6, 107701720), (7, 92315760), (8, 80776290), (10, 64621032), (12, 53850860), (14, 46157880), (15, 43080688), (16, 40388145), (20, 32310516), (21, 30771920), (24, 26925430), (28, 23078940), (30, 21540344), (35, 18463152), (40, 16155258), (42, 15385960), (48, 13462715), (56, 11539470), (60, 10770172), (70, 9231576), (80, 8077629), (84, 7692980), (105, 6154384), (112, 5769735), (120, 5385086), (140, 4615788), (168, 3846490), (193, 3348240), (210, 3077192), (240, 2692543), (280, 2307894), (336, 1923245), (386, 1674120), (420, 1538596), (560, 1153947), (579, 1116080), (772, 837060), (840, 769298), (965, 669648), (1158, 558040), (1351, 478320), (1544, 418530), (1680, 384649), (1930, 334824), (1993, 324240), (2316, 279020), (2702, 239160), (2895, 223216), (3088, 209265), (3860, 167412), (3986, 162120), (4053, 159440), (4632, 139510), (5404, 119580), (5790, 111608), (5979, 108080), (6755, 95664), (7720, 83706), (7972, 81060), (8106, 79720), (9264, 69755), (9965, 64848), (10808, 59790), (11580, 55804), (11958, 54040), (13510, 47832), (13951, 46320), (15440, 41853), (15944, 40530), (16212, 39860), (19930, 32424), (20265, 31888), (21616, 29895), (23160, 27902), (23916, 27020)]