688870656

素因数分解:

$2^8\times 3^4\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 180

約数和(自身を含む): 2077521600

約数和(自身を除く): 1388650944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 139, 144, 162, 192, 216, 239, 256, 278, 288, 324, 384, 417, 432, 478, 556, 576, 648, 717, 768, 834, 864, 956, 1112, 1152, 1251, 1296, 1434, 1668, 1728, 1912, 2151, 2224, 2304, 2502, 2592, 2868, 3336, 3456, 3753, 3824, 4302, 4448, 5004, 5184, 5736, 6453, 6672, 6912, 7506, 7648, 8604, 8896, 10008, 10368, 11259, 11472, 12906, 13344, 15012, 15296, 17208, 17792, 19359, 20016, 20736, 22518, 22944, 25812, 26688, 30024, 30592, 33221, 34416, 35584, 38718, 40032, 45036, 45888, 51624, 53376, 60048, 61184, 66442, 68832, 77436, 80064, 90072, 91776, 99663, 103248, 106752, 120096, 132884, 137664, 154872, 160128, 180144, 183552, 199326, 206496, 240192, 265768, 275328, 298989, 309744, 320256, 360288, 398652, 412992, 480384, 531536, 550656, 597978, 619488, 720576, 797304, 825984, 896967, 960768, 1063072, 1195956, 1238976, 1441152, 1594608, 1651968, 1793934, 2126144, 2391912, 2477952, 2690901, 2882304, 3189216, 3587868, 4252288, 4783824, 4955904, 5381802, 6378432, 7175736, 8504576, 9567648, 10763604, 12756864, 14351472, 19135296, 21527208, 25513728, 28702944, 38270592, 43054416, 57405888, 76541184, 86108832, 114811776, 172217664, 229623552, 344435328, 688870656]

約数ペア:

[(1, 688870656), (2, 344435328), (3, 229623552), (4, 172217664), (6, 114811776), (8, 86108832), (9, 76541184), (12, 57405888), (16, 43054416), (18, 38270592), (24, 28702944), (27, 25513728), (32, 21527208), (36, 19135296), (48, 14351472), (54, 12756864), (64, 10763604), (72, 9567648), (81, 8504576), (96, 7175736), (108, 6378432), (128, 5381802), (139, 4955904), (144, 4783824), (162, 4252288), (192, 3587868), (216, 3189216), (239, 2882304), (256, 2690901), (278, 2477952), (288, 2391912), (324, 2126144), (384, 1793934), (417, 1651968), (432, 1594608), (478, 1441152), (556, 1238976), (576, 1195956), (648, 1063072), (717, 960768), (768, 896967), (834, 825984), (864, 797304), (956, 720576), (1112, 619488), (1152, 597978), (1251, 550656), (1296, 531536), (1434, 480384), (1668, 412992), (1728, 398652), (1912, 360288), (2151, 320256), (2224, 309744), (2304, 298989), (2502, 275328), (2592, 265768), (2868, 240192), (3336, 206496), (3456, 199326), (3753, 183552), (3824, 180144), (4302, 160128), (4448, 154872), (5004, 137664), (5184, 132884), (5736, 120096), (6453, 106752), (6672, 103248), (6912, 99663), (7506, 91776), (7648, 90072), (8604, 80064), (8896, 77436), (10008, 68832), (10368, 66442), (11259, 61184), (11472, 60048), (12906, 53376), (13344, 51624), (15012, 45888), (15296, 45036), (17208, 40032), (17792, 38718), (19359, 35584), (20016, 34416), (20736, 33221), (22518, 30592), (22944, 30024), (25812, 26688)]