261381888

素因数分解:

$2^8\times 3^2\times {\mathrm{41}}^1\times {\mathrm{2767}}^1$

素因数の和:2830

約数の個数: 108

約数和(自身を含む): 772288608

約数和(自身を除く): 510906720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 64, 72, 82, 96, 123, 128, 144, 164, 192, 246, 256, 288, 328, 369, 384, 492, 576, 656, 738, 768, 984, 1152, 1312, 1476, 1968, 2304, 2624, 2767, 2952, 3936, 5248, 5534, 5904, 7872, 8301, 10496, 11068, 11808, 15744, 16602, 22136, 23616, 24903, 31488, 33204, 44272, 47232, 49806, 66408, 88544, 94464, 99612, 113447, 132816, 177088, 199224, 226894, 265632, 340341, 354176, 398448, 453788, 531264, 680682, 708352, 796896, 907576, 1021023, 1062528, 1361364, 1593792, 1815152, 2042046, 2125056, 2722728, 3187584, 3630304, 4084092, 5445456, 6375168, 7260608, 8168184, 10890912, 14521216, 16336368, 21781824, 29042432, 32672736, 43563648, 65345472, 87127296, 130690944, 261381888]

約数ペア:

[(1, 261381888), (2, 130690944), (3, 87127296), (4, 65345472), (6, 43563648), (8, 32672736), (9, 29042432), (12, 21781824), (16, 16336368), (18, 14521216), (24, 10890912), (32, 8168184), (36, 7260608), (41, 6375168), (48, 5445456), (64, 4084092), (72, 3630304), (82, 3187584), (96, 2722728), (123, 2125056), (128, 2042046), (144, 1815152), (164, 1593792), (192, 1361364), (246, 1062528), (256, 1021023), (288, 907576), (328, 796896), (369, 708352), (384, 680682), (492, 531264), (576, 453788), (656, 398448), (738, 354176), (768, 340341), (984, 265632), (1152, 226894), (1312, 199224), (1476, 177088), (1968, 132816), (2304, 113447), (2624, 99612), (2767, 94464), (2952, 88544), (3936, 66408), (5248, 49806), (5534, 47232), (5904, 44272), (7872, 33204), (8301, 31488), (10496, 24903), (11068, 23616), (11808, 22136), (15744, 16602)]