81709848

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 248353560

約数和(自身を除く): 166643712

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 83, 88, 99, 113, 121, 132, 166, 198, 226, 242, 249, 264, 332, 339, 363, 396, 452, 484, 498, 664, 678, 726, 747, 792, 904, 913, 968, 996, 1017, 1089, 1243, 1356, 1452, 1494, 1826, 1992, 2034, 2178, 2486, 2712, 2739, 2904, 2988, 3652, 3729, 4068, 4356, 4972, 5478, 5976, 7304, 7458, 8136, 8217, 8712, 9379, 9944, 10043, 10956, 11187, 13673, 14916, 16434, 18758, 20086, 21912, 22374, 27346, 28137, 29832, 30129, 32868, 37516, 40172, 41019, 44748, 54692, 56274, 60258, 65736, 75032, 80344, 82038, 84411, 89496, 90387, 103169, 109384, 112548, 120516, 123057, 164076, 168822, 180774, 206338, 225096, 241032, 246114, 309507, 328152, 337644, 361548, 412676, 492228, 619014, 675288, 723096, 825352, 928521, 984456, 1134859, 1238028, 1857042, 2269718, 2476056, 3404577, 3714084, 4539436, 6809154, 7428168, 9078872, 10213731, 13618308, 20427462, 27236616, 40854924, 81709848]

約数ペア:

[(1, 81709848), (2, 40854924), (3, 27236616), (4, 20427462), (6, 13618308), (8, 10213731), (9, 9078872), (11, 7428168), (12, 6809154), (18, 4539436), (22, 3714084), (24, 3404577), (33, 2476056), (36, 2269718), (44, 1857042), (66, 1238028), (72, 1134859), (83, 984456), (88, 928521), (99, 825352), (113, 723096), (121, 675288), (132, 619014), (166, 492228), (198, 412676), (226, 361548), (242, 337644), (249, 328152), (264, 309507), (332, 246114), (339, 241032), (363, 225096), (396, 206338), (452, 180774), (484, 168822), (498, 164076), (664, 123057), (678, 120516), (726, 112548), (747, 109384), (792, 103169), (904, 90387), (913, 89496), (968, 84411), (996, 82038), (1017, 80344), (1089, 75032), (1243, 65736), (1356, 60258), (1452, 56274), (1494, 54692), (1826, 44748), (1992, 41019), (2034, 40172), (2178, 37516), (2486, 32868), (2712, 30129), (2739, 29832), (2904, 28137), (2988, 27346), (3652, 22374), (3729, 21912), (4068, 20086), (4356, 18758), (4972, 16434), (5478, 14916), (5976, 13673), (7304, 11187), (7458, 10956), (8136, 10043), (8217, 9944), (8712, 9379)]