81398016

素因数分解:

$2^8\times 3^2\times 7^3\times {\mathrm{103}}^1$

素因数の和:146

約数の個数: 216

約数和(自身を含む): 276348800

約数和(自身を除く): 194950784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 103, 112, 126, 128, 144, 147, 168, 192, 196, 206, 224, 252, 256, 288, 294, 309, 336, 343, 384, 392, 412, 441, 448, 504, 576, 588, 618, 672, 686, 721, 768, 784, 824, 882, 896, 927, 1008, 1029, 1152, 1176, 1236, 1344, 1372, 1442, 1568, 1648, 1764, 1792, 1854, 2016, 2058, 2163, 2304, 2352, 2472, 2688, 2744, 2884, 3087, 3136, 3296, 3528, 3708, 4032, 4116, 4326, 4704, 4944, 5047, 5376, 5488, 5768, 6174, 6272, 6489, 6592, 7056, 7416, 8064, 8232, 8652, 9408, 9888, 10094, 10976, 11536, 12348, 12544, 12978, 13184, 14112, 14832, 15141, 16128, 16464, 17304, 18816, 19776, 20188, 21952, 23072, 24696, 25956, 26368, 28224, 29664, 30282, 32928, 34608, 35329, 37632, 39552, 40376, 43904, 45423, 46144, 49392, 51912, 56448, 59328, 60564, 65856, 69216, 70658, 79104, 80752, 87808, 90846, 92288, 98784, 103824, 105987, 112896, 118656, 121128, 131712, 138432, 141316, 161504, 181692, 184576, 197568, 207648, 211974, 237312, 242256, 263424, 276864, 282632, 317961, 323008, 363384, 395136, 415296, 423948, 484512, 553728, 565264, 635922, 646016, 726768, 790272, 830592, 847896, 969024, 1130528, 1271844, 1292032, 1453536, 1661184, 1695792, 1938048, 2261056, 2543688, 2907072, 3391584, 3876096, 4522112, 5087376, 5814144, 6783168, 9044224, 10174752, 11628288, 13566336, 20349504, 27132672, 40699008, 81398016]

約数ペア:

[(1, 81398016), (2, 40699008), (3, 27132672), (4, 20349504), (6, 13566336), (7, 11628288), (8, 10174752), (9, 9044224), (12, 6783168), (14, 5814144), (16, 5087376), (18, 4522112), (21, 3876096), (24, 3391584), (28, 2907072), (32, 2543688), (36, 2261056), (42, 1938048), (48, 1695792), (49, 1661184), (56, 1453536), (63, 1292032), (64, 1271844), (72, 1130528), (84, 969024), (96, 847896), (98, 830592), (103, 790272), (112, 726768), (126, 646016), (128, 635922), (144, 565264), (147, 553728), (168, 484512), (192, 423948), (196, 415296), (206, 395136), (224, 363384), (252, 323008), (256, 317961), (288, 282632), (294, 276864), (309, 263424), (336, 242256), (343, 237312), (384, 211974), (392, 207648), (412, 197568), (441, 184576), (448, 181692), (504, 161504), (576, 141316), (588, 138432), (618, 131712), (672, 121128), (686, 118656), (721, 112896), (768, 105987), (784, 103824), (824, 98784), (882, 92288), (896, 90846), (927, 87808), (1008, 80752), (1029, 79104), (1152, 70658), (1176, 69216), (1236, 65856), (1344, 60564), (1372, 59328), (1442, 56448), (1568, 51912), (1648, 49392), (1764, 46144), (1792, 45423), (1854, 43904), (2016, 40376), (2058, 39552), (2163, 37632), (2304, 35329), (2352, 34608), (2472, 32928), (2688, 30282), (2744, 29664), (2884, 28224), (3087, 26368), (3136, 25956), (3296, 24696), (3528, 23072), (3708, 21952), (4032, 20188), (4116, 19776), (4326, 18816), (4704, 17304), (4944, 16464), (5047, 16128), (5376, 15141), (5488, 14832), (5768, 14112), (6174, 13184), (6272, 12978), (6489, 12544), (6592, 12348), (7056, 11536), (7416, 10976), (8064, 10094), (8232, 9888), (8652, 9408)]