261891168

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:601

約数の個数: 192

約数和(自身を含む): 870912000

約数和(自身を除く): 609020832

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 66, 71, 77, 84, 88, 96, 112, 132, 142, 154, 168, 176, 213, 224, 231, 264, 284, 308, 336, 352, 426, 462, 497, 499, 528, 568, 616, 672, 781, 852, 924, 994, 998, 1056, 1136, 1232, 1491, 1497, 1562, 1704, 1848, 1988, 1996, 2272, 2343, 2464, 2982, 2994, 3124, 3408, 3493, 3696, 3976, 3992, 4686, 5467, 5489, 5964, 5988, 6248, 6816, 6986, 7392, 7952, 7984, 9372, 10479, 10934, 10978, 11928, 11976, 12496, 13972, 15904, 15968, 16401, 16467, 18744, 20958, 21868, 21956, 23856, 23952, 24992, 27944, 32802, 32934, 35429, 37488, 38423, 41916, 43736, 43912, 47712, 47904, 55888, 65604, 65868, 70858, 74976, 76846, 83832, 87472, 87824, 106287, 111776, 115269, 131208, 131736, 141716, 153692, 167664, 174944, 175648, 212574, 230538, 248003, 262416, 263472, 283432, 307384, 335328, 389719, 425148, 461076, 496006, 524832, 526944, 566864, 614768, 744009, 779438, 850296, 922152, 992012, 1133728, 1169157, 1229536, 1488018, 1558876, 1700592, 1844304, 1984024, 2338314, 2728033, 2976036, 3117752, 3401184, 3688608, 3968048, 4676628, 5456066, 5952072, 6235504, 7936096, 8184099, 9353256, 10912132, 11904144, 12471008, 16368198, 18706512, 21824264, 23808288, 32736396, 37413024, 43648528, 65472792, 87297056, 130945584, 261891168]

約数ペア:

[(1, 261891168), (2, 130945584), (3, 87297056), (4, 65472792), (6, 43648528), (7, 37413024), (8, 32736396), (11, 23808288), (12, 21824264), (14, 18706512), (16, 16368198), (21, 12471008), (22, 11904144), (24, 10912132), (28, 9353256), (32, 8184099), (33, 7936096), (42, 6235504), (44, 5952072), (48, 5456066), (56, 4676628), (66, 3968048), (71, 3688608), (77, 3401184), (84, 3117752), (88, 2976036), (96, 2728033), (112, 2338314), (132, 1984024), (142, 1844304), (154, 1700592), (168, 1558876), (176, 1488018), (213, 1229536), (224, 1169157), (231, 1133728), (264, 992012), (284, 922152), (308, 850296), (336, 779438), (352, 744009), (426, 614768), (462, 566864), (497, 526944), (499, 524832), (528, 496006), (568, 461076), (616, 425148), (672, 389719), (781, 335328), (852, 307384), (924, 283432), (994, 263472), (998, 262416), (1056, 248003), (1136, 230538), (1232, 212574), (1491, 175648), (1497, 174944), (1562, 167664), (1704, 153692), (1848, 141716), (1988, 131736), (1996, 131208), (2272, 115269), (2343, 111776), (2464, 106287), (2982, 87824), (2994, 87472), (3124, 83832), (3408, 76846), (3493, 74976), (3696, 70858), (3976, 65868), (3992, 65604), (4686, 55888), (5467, 47904), (5489, 47712), (5964, 43912), (5988, 43736), (6248, 41916), (6816, 38423), (6986, 37488), (7392, 35429), (7952, 32934), (7984, 32802), (9372, 27944), (10479, 24992), (10934, 23952), (10978, 23856), (11928, 21956), (11976, 21868), (12496, 20958), (13972, 18744), (15904, 16467), (15968, 16401)]