261843456

素因数分解:

$2^9\times 3^1\times 7^4\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 200

約数和(自身を含む): 825241824

約数和(自身を除く): 563398368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 71, 84, 96, 98, 112, 128, 142, 147, 168, 192, 196, 213, 224, 256, 284, 294, 336, 343, 384, 392, 426, 448, 497, 512, 568, 588, 672, 686, 768, 784, 852, 896, 994, 1029, 1136, 1176, 1344, 1372, 1491, 1536, 1568, 1704, 1792, 1988, 2058, 2272, 2352, 2401, 2688, 2744, 2982, 3136, 3408, 3479, 3584, 3976, 4116, 4544, 4704, 4802, 5376, 5488, 5964, 6272, 6816, 6958, 7203, 7952, 8232, 9088, 9408, 9604, 10437, 10752, 10976, 11928, 12544, 13632, 13916, 14406, 15904, 16464, 18176, 18816, 19208, 20874, 21952, 23856, 24353, 25088, 27264, 27832, 28812, 31808, 32928, 36352, 37632, 38416, 41748, 43904, 47712, 48706, 54528, 55664, 57624, 63616, 65856, 73059, 75264, 76832, 83496, 87808, 95424, 97412, 109056, 111328, 115248, 127232, 131712, 146118, 153664, 166992, 170471, 175616, 190848, 194824, 222656, 230496, 254464, 263424, 292236, 307328, 333984, 340942, 381696, 389648, 445312, 460992, 511413, 526848, 584472, 614656, 667968, 681884, 763392, 779296, 890624, 921984, 1022826, 1168944, 1229312, 1335936, 1363768, 1558592, 1781248, 1843968, 2045652, 2337888, 2671872, 2727536, 3117184, 3687936, 4091304, 4675776, 5343744, 5455072, 6234368, 8182608, 9351552, 10910144, 12468736, 16365216, 18703104, 21820288, 32730432, 37406208, 43640576, 65460864, 87281152, 130921728, 261843456]

約数ペア:

[(1, 261843456), (2, 130921728), (3, 87281152), (4, 65460864), (6, 43640576), (7, 37406208), (8, 32730432), (12, 21820288), (14, 18703104), (16, 16365216), (21, 12468736), (24, 10910144), (28, 9351552), (32, 8182608), (42, 6234368), (48, 5455072), (49, 5343744), (56, 4675776), (64, 4091304), (71, 3687936), (84, 3117184), (96, 2727536), (98, 2671872), (112, 2337888), (128, 2045652), (142, 1843968), (147, 1781248), (168, 1558592), (192, 1363768), (196, 1335936), (213, 1229312), (224, 1168944), (256, 1022826), (284, 921984), (294, 890624), (336, 779296), (343, 763392), (384, 681884), (392, 667968), (426, 614656), (448, 584472), (497, 526848), (512, 511413), (568, 460992), (588, 445312), (672, 389648), (686, 381696), (768, 340942), (784, 333984), (852, 307328), (896, 292236), (994, 263424), (1029, 254464), (1136, 230496), (1176, 222656), (1344, 194824), (1372, 190848), (1491, 175616), (1536, 170471), (1568, 166992), (1704, 153664), (1792, 146118), (1988, 131712), (2058, 127232), (2272, 115248), (2352, 111328), (2401, 109056), (2688, 97412), (2744, 95424), (2982, 87808), (3136, 83496), (3408, 76832), (3479, 75264), (3584, 73059), (3976, 65856), (4116, 63616), (4544, 57624), (4704, 55664), (4802, 54528), (5376, 48706), (5488, 47712), (5964, 43904), (6272, 41748), (6816, 38416), (6958, 37632), (7203, 36352), (7952, 32928), (8232, 31808), (9088, 28812), (9408, 27832), (9604, 27264), (10437, 25088), (10752, 24353), (10976, 23856), (11928, 21952), (12544, 20874), (13632, 19208), (13916, 18816), (14406, 18176), (15904, 16464)]