51688728

素因数分解:

$2^3\times 3^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:76

約数の個数: 240

約数和(自身を含む): 183521520

約数和(自身を除く): 131832792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 23, 24, 26, 28, 36, 39, 42, 46, 49, 52, 56, 63, 69, 72, 78, 84, 91, 92, 98, 104, 117, 126, 138, 147, 156, 161, 168, 182, 184, 196, 207, 234, 252, 273, 276, 294, 299, 312, 322, 343, 364, 392, 414, 441, 468, 483, 504, 546, 552, 588, 598, 637, 644, 686, 728, 819, 828, 882, 897, 936, 966, 1029, 1092, 1127, 1176, 1196, 1274, 1288, 1372, 1449, 1638, 1656, 1764, 1794, 1911, 1932, 2058, 2093, 2184, 2254, 2392, 2401, 2548, 2691, 2744, 2898, 3087, 3276, 3381, 3528, 3588, 3822, 3864, 4116, 4186, 4459, 4508, 4802, 5096, 5382, 5733, 5796, 6174, 6279, 6552, 6762, 7176, 7203, 7644, 7889, 8232, 8372, 8918, 9016, 9604, 10143, 10764, 11466, 11592, 12348, 12558, 13377, 13524, 14406, 14651, 15288, 15778, 16744, 17836, 18837, 19208, 20286, 21528, 21609, 22932, 23667, 24696, 25116, 26754, 27048, 28812, 29302, 31213, 31556, 35672, 37674, 40131, 40572, 43218, 43953, 45864, 47334, 50232, 53508, 55223, 57624, 58604, 62426, 63112, 71001, 75348, 80262, 81144, 86436, 87906, 93639, 94668, 102557, 107016, 110446, 117208, 124852, 131859, 142002, 150696, 160524, 165669, 172872, 175812, 187278, 189336, 205114, 220892, 249704, 263718, 280917, 284004, 307671, 321048, 331338, 351624, 374556, 410228, 441784, 497007, 527436, 561834, 568008, 615342, 662676, 717899, 749112, 820456, 923013, 994014, 1054872, 1123668, 1230684, 1325352, 1435798, 1846026, 1988028, 2153697, 2247336, 2461368, 2871596, 3692052, 3976056, 4307394, 5743192, 6461091, 7384104, 8614788, 12922182, 17229576, 25844364, 51688728]

約数ペア:

[(1, 51688728), (2, 25844364), (3, 17229576), (4, 12922182), (6, 8614788), (7, 7384104), (8, 6461091), (9, 5743192), (12, 4307394), (13, 3976056), (14, 3692052), (18, 2871596), (21, 2461368), (23, 2247336), (24, 2153697), (26, 1988028), (28, 1846026), (36, 1435798), (39, 1325352), (42, 1230684), (46, 1123668), (49, 1054872), (52, 994014), (56, 923013), (63, 820456), (69, 749112), (72, 717899), (78, 662676), (84, 615342), (91, 568008), (92, 561834), (98, 527436), (104, 497007), (117, 441784), (126, 410228), (138, 374556), (147, 351624), (156, 331338), (161, 321048), (168, 307671), (182, 284004), (184, 280917), (196, 263718), (207, 249704), (234, 220892), (252, 205114), (273, 189336), (276, 187278), (294, 175812), (299, 172872), (312, 165669), (322, 160524), (343, 150696), (364, 142002), (392, 131859), (414, 124852), (441, 117208), (468, 110446), (483, 107016), (504, 102557), (546, 94668), (552, 93639), (588, 87906), (598, 86436), (637, 81144), (644, 80262), (686, 75348), (728, 71001), (819, 63112), (828, 62426), (882, 58604), (897, 57624), (936, 55223), (966, 53508), (1029, 50232), (1092, 47334), (1127, 45864), (1176, 43953), (1196, 43218), (1274, 40572), (1288, 40131), (1372, 37674), (1449, 35672), (1638, 31556), (1656, 31213), (1764, 29302), (1794, 28812), (1911, 27048), (1932, 26754), (2058, 25116), (2093, 24696), (2184, 23667), (2254, 22932), (2392, 21609), (2401, 21528), (2548, 20286), (2691, 19208), (2744, 18837), (2898, 17836), (3087, 16744), (3276, 15778), (3381, 15288), (3528, 14651), (3588, 14406), (3822, 13524), (3864, 13377), (4116, 12558), (4186, 12348), (4459, 11592), (4508, 11466), (4802, 10764), (5096, 10143), (5382, 9604), (5733, 9016), (5796, 8918), (6174, 8372), (6279, 8232), (6552, 7889), (6762, 7644), (7176, 7203)]