81359616

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 242091360

約数和(自身を除く): 160731744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 32, 39, 48, 52, 58, 64, 78, 87, 96, 104, 116, 128, 156, 174, 192, 208, 232, 256, 281, 312, 348, 377, 384, 416, 464, 562, 624, 696, 754, 768, 832, 843, 928, 1124, 1131, 1248, 1392, 1508, 1664, 1686, 1856, 2248, 2262, 2496, 2784, 3016, 3328, 3372, 3653, 3712, 4496, 4524, 4992, 5568, 6032, 6744, 7306, 7424, 8149, 8992, 9048, 9984, 10959, 11136, 12064, 13488, 14612, 16298, 17984, 18096, 21918, 22272, 24128, 24447, 26976, 29224, 32596, 35968, 36192, 43836, 48256, 48894, 53952, 58448, 65192, 71936, 72384, 87672, 96512, 97788, 105937, 107904, 116896, 130384, 144768, 175344, 195576, 211874, 215808, 233792, 260768, 289536, 317811, 350688, 391152, 423748, 467584, 521536, 635622, 701376, 782304, 847496, 935168, 1043072, 1271244, 1402752, 1564608, 1694992, 2086144, 2542488, 2805504, 3129216, 3389984, 5084976, 6258432, 6779968, 10169952, 13559936, 20339904, 27119872, 40679808, 81359616]

約数ペア:

[(1, 81359616), (2, 40679808), (3, 27119872), (4, 20339904), (6, 13559936), (8, 10169952), (12, 6779968), (13, 6258432), (16, 5084976), (24, 3389984), (26, 3129216), (29, 2805504), (32, 2542488), (39, 2086144), (48, 1694992), (52, 1564608), (58, 1402752), (64, 1271244), (78, 1043072), (87, 935168), (96, 847496), (104, 782304), (116, 701376), (128, 635622), (156, 521536), (174, 467584), (192, 423748), (208, 391152), (232, 350688), (256, 317811), (281, 289536), (312, 260768), (348, 233792), (377, 215808), (384, 211874), (416, 195576), (464, 175344), (562, 144768), (624, 130384), (696, 116896), (754, 107904), (768, 105937), (832, 97788), (843, 96512), (928, 87672), (1124, 72384), (1131, 71936), (1248, 65192), (1392, 58448), (1508, 53952), (1664, 48894), (1686, 48256), (1856, 43836), (2248, 36192), (2262, 35968), (2496, 32596), (2784, 29224), (3016, 26976), (3328, 24447), (3372, 24128), (3653, 22272), (3712, 21918), (4496, 18096), (4524, 17984), (4992, 16298), (5568, 14612), (6032, 13488), (6744, 12064), (7306, 11136), (7424, 10959), (8149, 9984), (8992, 9048)]