81979968

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:540

約数の個数: 112

約数和(自身を含む): 250001024

約数和(自身を除く): 168021056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 181, 192, 224, 336, 337, 362, 448, 543, 672, 674, 724, 1011, 1086, 1267, 1344, 1348, 1448, 2022, 2172, 2359, 2534, 2696, 2896, 3801, 4044, 4344, 4718, 5068, 5392, 5792, 7077, 7602, 8088, 8688, 9436, 10136, 10784, 11584, 14154, 15204, 16176, 17376, 18872, 20272, 21568, 28308, 30408, 32352, 34752, 37744, 40544, 56616, 60816, 60997, 64704, 75488, 81088, 113232, 121632, 121994, 150976, 182991, 226464, 243264, 243988, 365982, 426979, 452928, 487976, 731964, 853958, 975952, 1280937, 1463928, 1707916, 1951904, 2561874, 2927856, 3415832, 3903808, 5123748, 5855712, 6831664, 10247496, 11711424, 13663328, 20494992, 27326656, 40989984, 81979968]

約数ペア:

[(1, 81979968), (2, 40989984), (3, 27326656), (4, 20494992), (6, 13663328), (7, 11711424), (8, 10247496), (12, 6831664), (14, 5855712), (16, 5123748), (21, 3903808), (24, 3415832), (28, 2927856), (32, 2561874), (42, 1951904), (48, 1707916), (56, 1463928), (64, 1280937), (84, 975952), (96, 853958), (112, 731964), (168, 487976), (181, 452928), (192, 426979), (224, 365982), (336, 243988), (337, 243264), (362, 226464), (448, 182991), (543, 150976), (672, 121994), (674, 121632), (724, 113232), (1011, 81088), (1086, 75488), (1267, 64704), (1344, 60997), (1348, 60816), (1448, 56616), (2022, 40544), (2172, 37744), (2359, 34752), (2534, 32352), (2696, 30408), (2896, 28308), (3801, 21568), (4044, 20272), (4344, 18872), (4718, 17376), (5068, 16176), (5392, 15204), (5792, 14154), (7077, 11584), (7602, 10784), (8088, 10136), (8688, 9436)]