81942168

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 268128000

約数和(自身を除く): 186185832

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 29, 33, 42, 44, 56, 58, 66, 77, 84, 87, 88, 116, 121, 132, 139, 154, 168, 174, 203, 231, 232, 242, 264, 278, 308, 319, 348, 363, 406, 417, 462, 484, 556, 609, 616, 638, 696, 726, 812, 834, 847, 924, 957, 968, 973, 1112, 1218, 1276, 1452, 1529, 1624, 1668, 1694, 1848, 1914, 1946, 2233, 2436, 2541, 2552, 2904, 2919, 3058, 3336, 3388, 3509, 3828, 3892, 4031, 4466, 4587, 4872, 5082, 5838, 6116, 6699, 6776, 7018, 7656, 7784, 8062, 8932, 9174, 10164, 10527, 10703, 11676, 12093, 12232, 13398, 14036, 16124, 16819, 17864, 18348, 20328, 21054, 21406, 23352, 24186, 24563, 26796, 28072, 28217, 32109, 32248, 33638, 36696, 42108, 42812, 44341, 48372, 49126, 50457, 53592, 56434, 64218, 67276, 73689, 84216, 84651, 85624, 88682, 96744, 98252, 100914, 112868, 117733, 128436, 133023, 134552, 147378, 169302, 177364, 196504, 201828, 225736, 235466, 256872, 266046, 294756, 310387, 338604, 353199, 354728, 403656, 470932, 487751, 532092, 589512, 620774, 677208, 706398, 931161, 941864, 975502, 1064184, 1241548, 1412796, 1463253, 1862322, 1951004, 2483096, 2825592, 2926506, 3414257, 3724644, 3902008, 5853012, 6828514, 7449288, 10242771, 11706024, 13657028, 20485542, 27314056, 40971084, 81942168]

約数ペア:

[(1, 81942168), (2, 40971084), (3, 27314056), (4, 20485542), (6, 13657028), (7, 11706024), (8, 10242771), (11, 7449288), (12, 6828514), (14, 5853012), (21, 3902008), (22, 3724644), (24, 3414257), (28, 2926506), (29, 2825592), (33, 2483096), (42, 1951004), (44, 1862322), (56, 1463253), (58, 1412796), (66, 1241548), (77, 1064184), (84, 975502), (87, 941864), (88, 931161), (116, 706398), (121, 677208), (132, 620774), (139, 589512), (154, 532092), (168, 487751), (174, 470932), (203, 403656), (231, 354728), (232, 353199), (242, 338604), (264, 310387), (278, 294756), (308, 266046), (319, 256872), (348, 235466), (363, 225736), (406, 201828), (417, 196504), (462, 177364), (484, 169302), (556, 147378), (609, 134552), (616, 133023), (638, 128436), (696, 117733), (726, 112868), (812, 100914), (834, 98252), (847, 96744), (924, 88682), (957, 85624), (968, 84651), (973, 84216), (1112, 73689), (1218, 67276), (1276, 64218), (1452, 56434), (1529, 53592), (1624, 50457), (1668, 49126), (1694, 48372), (1848, 44341), (1914, 42812), (1946, 42108), (2233, 36696), (2436, 33638), (2541, 32248), (2552, 32109), (2904, 28217), (2919, 28072), (3058, 26796), (3336, 24563), (3388, 24186), (3509, 23352), (3828, 21406), (3892, 21054), (4031, 20328), (4466, 18348), (4587, 17864), (4872, 16819), (5082, 16124), (5838, 14036), (6116, 13398), (6699, 12232), (6776, 12093), (7018, 11676), (7656, 10703), (7784, 10527), (8062, 10164), (8932, 9174)]