81891264

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 224

約数和(自身を含む): 275376640

約数和(自身を除く): 193485376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 43, 48, 52, 56, 64, 78, 84, 86, 91, 96, 104, 109, 112, 129, 156, 168, 172, 182, 192, 208, 218, 224, 258, 273, 301, 312, 327, 336, 344, 364, 416, 436, 448, 516, 546, 559, 602, 624, 654, 672, 688, 728, 763, 832, 872, 903, 1032, 1092, 1118, 1204, 1248, 1308, 1344, 1376, 1417, 1456, 1526, 1677, 1744, 1806, 2064, 2184, 2236, 2289, 2408, 2496, 2616, 2752, 2834, 2912, 3052, 3354, 3488, 3612, 3913, 4128, 4251, 4368, 4472, 4578, 4687, 4816, 5232, 5668, 5824, 6104, 6708, 6976, 7224, 7826, 8256, 8502, 8736, 8944, 9156, 9374, 9632, 9919, 10464, 11336, 11739, 12208, 13416, 14061, 14448, 15652, 17004, 17472, 17888, 18312, 18748, 19264, 19838, 20928, 22672, 23478, 24416, 26832, 28122, 28896, 29757, 31304, 32809, 34008, 35776, 36624, 37496, 39676, 45344, 46956, 48832, 53664, 56244, 57792, 59514, 60931, 62608, 65618, 68016, 73248, 74992, 79352, 90688, 93912, 98427, 107328, 112488, 119028, 121862, 125216, 131236, 136032, 146496, 149984, 158704, 182793, 187824, 196854, 224976, 238056, 243724, 250432, 262472, 272064, 299968, 317408, 365586, 375648, 393708, 426517, 449952, 476112, 487448, 524944, 634816, 731172, 751296, 787416, 853034, 899904, 952224, 974896, 1049888, 1279551, 1462344, 1574832, 1706068, 1904448, 1949792, 2099776, 2559102, 2924688, 3149664, 3412136, 3899584, 5118204, 5849376, 6299328, 6824272, 10236408, 11698752, 13648544, 20472816, 27297088, 40945632, 81891264]

約数ペア:

[(1, 81891264), (2, 40945632), (3, 27297088), (4, 20472816), (6, 13648544), (7, 11698752), (8, 10236408), (12, 6824272), (13, 6299328), (14, 5849376), (16, 5118204), (21, 3899584), (24, 3412136), (26, 3149664), (28, 2924688), (32, 2559102), (39, 2099776), (42, 1949792), (43, 1904448), (48, 1706068), (52, 1574832), (56, 1462344), (64, 1279551), (78, 1049888), (84, 974896), (86, 952224), (91, 899904), (96, 853034), (104, 787416), (109, 751296), (112, 731172), (129, 634816), (156, 524944), (168, 487448), (172, 476112), (182, 449952), (192, 426517), (208, 393708), (218, 375648), (224, 365586), (258, 317408), (273, 299968), (301, 272064), (312, 262472), (327, 250432), (336, 243724), (344, 238056), (364, 224976), (416, 196854), (436, 187824), (448, 182793), (516, 158704), (546, 149984), (559, 146496), (602, 136032), (624, 131236), (654, 125216), (672, 121862), (688, 119028), (728, 112488), (763, 107328), (832, 98427), (872, 93912), (903, 90688), (1032, 79352), (1092, 74992), (1118, 73248), (1204, 68016), (1248, 65618), (1308, 62608), (1344, 60931), (1376, 59514), (1417, 57792), (1456, 56244), (1526, 53664), (1677, 48832), (1744, 46956), (1806, 45344), (2064, 39676), (2184, 37496), (2236, 36624), (2289, 35776), (2408, 34008), (2496, 32809), (2616, 31304), (2752, 29757), (2834, 28896), (2912, 28122), (3052, 26832), (3354, 24416), (3488, 23478), (3612, 22672), (3913, 20928), (4128, 19838), (4251, 19264), (4368, 18748), (4472, 18312), (4578, 17888), (4687, 17472), (4816, 17004), (5232, 15652), (5668, 14448), (5824, 14061), (6104, 13416), (6708, 12208), (6976, 11739), (7224, 11336), (7826, 10464), (8256, 9919), (8502, 9632), (8736, 9374), (8944, 9156)]