81806208

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 128

約数和(自身を含む): 240589440

約数和(自身を除く): 158783232

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 107, 128, 132, 176, 181, 192, 214, 264, 321, 352, 362, 384, 428, 528, 543, 642, 704, 724, 856, 1056, 1086, 1177, 1284, 1408, 1448, 1712, 1991, 2112, 2172, 2354, 2568, 2896, 3424, 3531, 3982, 4224, 4344, 4708, 5136, 5792, 5973, 6848, 7062, 7964, 8688, 9416, 10272, 11584, 11946, 13696, 14124, 15928, 17376, 18832, 19367, 20544, 23168, 23892, 28248, 31856, 34752, 37664, 38734, 41088, 47784, 56496, 58101, 63712, 69504, 75328, 77468, 95568, 112992, 116202, 127424, 150656, 154936, 191136, 213037, 225984, 232404, 254848, 309872, 382272, 426074, 451968, 464808, 619744, 639111, 764544, 852148, 929616, 1239488, 1278222, 1704296, 1859232, 2478976, 2556444, 3408592, 3718464, 5112888, 6817184, 7436928, 10225776, 13634368, 20451552, 27268736, 40903104, 81806208]

約数ペア:

[(1, 81806208), (2, 40903104), (3, 27268736), (4, 20451552), (6, 13634368), (8, 10225776), (11, 7436928), (12, 6817184), (16, 5112888), (22, 3718464), (24, 3408592), (32, 2556444), (33, 2478976), (44, 1859232), (48, 1704296), (64, 1278222), (66, 1239488), (88, 929616), (96, 852148), (107, 764544), (128, 639111), (132, 619744), (176, 464808), (181, 451968), (192, 426074), (214, 382272), (264, 309872), (321, 254848), (352, 232404), (362, 225984), (384, 213037), (428, 191136), (528, 154936), (543, 150656), (642, 127424), (704, 116202), (724, 112992), (856, 95568), (1056, 77468), (1086, 75328), (1177, 69504), (1284, 63712), (1408, 58101), (1448, 56496), (1712, 47784), (1991, 41088), (2112, 38734), (2172, 37664), (2354, 34752), (2568, 31856), (2896, 28248), (3424, 23892), (3531, 23168), (3982, 20544), (4224, 19367), (4344, 18832), (4708, 17376), (5136, 15928), (5792, 14124), (5973, 13696), (6848, 11946), (7062, 11584), (7964, 10272), (8688, 9416)]