81656064

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 216

約数和(自身を含む): 276773952

約数和(自身を除く): 195117888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 61, 63, 64, 72, 83, 84, 96, 112, 122, 126, 128, 144, 166, 168, 183, 192, 224, 244, 249, 252, 256, 288, 332, 336, 366, 384, 427, 448, 488, 498, 504, 549, 576, 581, 664, 672, 732, 747, 768, 854, 896, 976, 996, 1008, 1098, 1152, 1162, 1281, 1328, 1344, 1464, 1494, 1708, 1743, 1792, 1952, 1992, 2016, 2196, 2304, 2324, 2562, 2656, 2688, 2928, 2988, 3416, 3486, 3843, 3904, 3984, 4032, 4392, 4648, 5063, 5124, 5229, 5312, 5376, 5856, 5976, 6832, 6972, 7686, 7808, 7968, 8064, 8784, 9296, 10126, 10248, 10458, 10624, 11712, 11952, 13664, 13944, 15189, 15372, 15616, 15936, 16128, 17568, 18592, 20252, 20496, 20916, 21248, 23424, 23904, 27328, 27888, 30378, 30744, 31872, 35136, 35441, 37184, 40504, 40992, 41832, 45567, 46848, 47808, 54656, 55776, 60756, 61488, 63744, 70272, 70882, 74368, 81008, 81984, 83664, 91134, 95616, 106323, 109312, 111552, 121512, 122976, 140544, 141764, 148736, 162016, 163968, 167328, 182268, 191232, 212646, 223104, 243024, 245952, 283528, 318969, 324032, 327936, 334656, 364536, 425292, 446208, 486048, 491904, 567056, 637938, 648064, 669312, 729072, 850584, 972096, 983808, 1134112, 1275876, 1296128, 1338624, 1458144, 1701168, 1944192, 2268224, 2551752, 2916288, 3402336, 3888384, 4536448, 5103504, 5832576, 6804672, 9072896, 10207008, 11665152, 13609344, 20414016, 27218688, 40828032, 81656064]

約数ペア:

[(1, 81656064), (2, 40828032), (3, 27218688), (4, 20414016), (6, 13609344), (7, 11665152), (8, 10207008), (9, 9072896), (12, 6804672), (14, 5832576), (16, 5103504), (18, 4536448), (21, 3888384), (24, 3402336), (28, 2916288), (32, 2551752), (36, 2268224), (42, 1944192), (48, 1701168), (56, 1458144), (61, 1338624), (63, 1296128), (64, 1275876), (72, 1134112), (83, 983808), (84, 972096), (96, 850584), (112, 729072), (122, 669312), (126, 648064), (128, 637938), (144, 567056), (166, 491904), (168, 486048), (183, 446208), (192, 425292), (224, 364536), (244, 334656), (249, 327936), (252, 324032), (256, 318969), (288, 283528), (332, 245952), (336, 243024), (366, 223104), (384, 212646), (427, 191232), (448, 182268), (488, 167328), (498, 163968), (504, 162016), (549, 148736), (576, 141764), (581, 140544), (664, 122976), (672, 121512), (732, 111552), (747, 109312), (768, 106323), (854, 95616), (896, 91134), (976, 83664), (996, 81984), (1008, 81008), (1098, 74368), (1152, 70882), (1162, 70272), (1281, 63744), (1328, 61488), (1344, 60756), (1464, 55776), (1494, 54656), (1708, 47808), (1743, 46848), (1792, 45567), (1952, 41832), (1992, 40992), (2016, 40504), (2196, 37184), (2304, 35441), (2324, 35136), (2562, 31872), (2656, 30744), (2688, 30378), (2928, 27888), (2988, 27328), (3416, 23904), (3486, 23424), (3843, 21248), (3904, 20916), (3984, 20496), (4032, 20252), (4392, 18592), (4648, 17568), (5063, 16128), (5124, 15936), (5229, 15616), (5312, 15372), (5376, 15189), (5856, 13944), (5976, 13664), (6832, 11952), (6972, 11712), (7686, 10624), (7808, 10458), (7968, 10248), (8064, 10126), (8784, 9296)]