81266304

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{617}}^1$

素因数の和:655

約数の個数: 128

約数和(自身を含む): 252144000

約数和(自身を除く): 170877696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 336, 343, 384, 392, 448, 588, 617, 672, 686, 784, 896, 1029, 1176, 1234, 1344, 1372, 1568, 1851, 2058, 2352, 2468, 2688, 2744, 3136, 3702, 4116, 4319, 4704, 4936, 5488, 6272, 7404, 8232, 8638, 9408, 9872, 10976, 12957, 14808, 16464, 17276, 18816, 19744, 21952, 25914, 29616, 30233, 32928, 34552, 39488, 43904, 51828, 59232, 60466, 65856, 69104, 78976, 90699, 103656, 118464, 120932, 131712, 138208, 181398, 207312, 211631, 236928, 241864, 276416, 362796, 414624, 423262, 483728, 552832, 634893, 725592, 829248, 846524, 967456, 1269786, 1451184, 1658496, 1693048, 1934912, 2539572, 2902368, 3386096, 3869824, 5079144, 5804736, 6772192, 10158288, 11609472, 13544384, 20316576, 27088768, 40633152, 81266304]

約数ペア:

[(1, 81266304), (2, 40633152), (3, 27088768), (4, 20316576), (6, 13544384), (7, 11609472), (8, 10158288), (12, 6772192), (14, 5804736), (16, 5079144), (21, 3869824), (24, 3386096), (28, 2902368), (32, 2539572), (42, 1934912), (48, 1693048), (49, 1658496), (56, 1451184), (64, 1269786), (84, 967456), (96, 846524), (98, 829248), (112, 725592), (128, 634893), (147, 552832), (168, 483728), (192, 423262), (196, 414624), (224, 362796), (294, 276416), (336, 241864), (343, 236928), (384, 211631), (392, 207312), (448, 181398), (588, 138208), (617, 131712), (672, 120932), (686, 118464), (784, 103656), (896, 90699), (1029, 78976), (1176, 69104), (1234, 65856), (1344, 60466), (1372, 59232), (1568, 51828), (1851, 43904), (2058, 39488), (2352, 34552), (2468, 32928), (2688, 30233), (2744, 29616), (3136, 25914), (3702, 21952), (4116, 19744), (4319, 18816), (4704, 17276), (4936, 16464), (5488, 14808), (6272, 12957), (7404, 10976), (8232, 9872), (8638, 9408)]