81267648

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 224

約数和(自身を含む): 280903680

約数和(自身を除く): 199636032

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 23, 24, 28, 32, 33, 42, 44, 46, 48, 56, 64, 66, 69, 77, 84, 88, 92, 96, 112, 132, 138, 154, 161, 168, 176, 184, 192, 224, 231, 239, 253, 264, 276, 308, 322, 336, 352, 368, 448, 462, 478, 483, 506, 528, 552, 616, 644, 672, 704, 717, 736, 759, 924, 956, 966, 1012, 1056, 1104, 1232, 1288, 1344, 1434, 1472, 1518, 1673, 1771, 1848, 1912, 1932, 2024, 2112, 2208, 2464, 2576, 2629, 2868, 3036, 3346, 3542, 3696, 3824, 3864, 4048, 4416, 4928, 5019, 5152, 5258, 5313, 5497, 5736, 6072, 6692, 7084, 7392, 7648, 7728, 7887, 8096, 10038, 10304, 10516, 10626, 10994, 11472, 12144, 13384, 14168, 14784, 15296, 15456, 15774, 16192, 16491, 18403, 20076, 21032, 21252, 21988, 22944, 24288, 26768, 28336, 30912, 31548, 32982, 36806, 38479, 40152, 42064, 42504, 43976, 45888, 48576, 53536, 55209, 56672, 60467, 63096, 65964, 73612, 76958, 80304, 84128, 85008, 87952, 107072, 110418, 113344, 115437, 120934, 126192, 131928, 147224, 153916, 160608, 168256, 170016, 175904, 181401, 220836, 230874, 241868, 252384, 263856, 294448, 307832, 321216, 340032, 351808, 362802, 423269, 441672, 461748, 483736, 504768, 527712, 588896, 615664, 725604, 846538, 883344, 923496, 967472, 1055424, 1177792, 1231328, 1269807, 1451208, 1693076, 1766688, 1846992, 1934944, 2462656, 2539614, 2902416, 3386152, 3533376, 3693984, 3869888, 5079228, 5804832, 6772304, 7387968, 10158456, 11609664, 13544608, 20316912, 27089216, 40633824, 81267648]

約数ペア:

[(1, 81267648), (2, 40633824), (3, 27089216), (4, 20316912), (6, 13544608), (7, 11609664), (8, 10158456), (11, 7387968), (12, 6772304), (14, 5804832), (16, 5079228), (21, 3869888), (22, 3693984), (23, 3533376), (24, 3386152), (28, 2902416), (32, 2539614), (33, 2462656), (42, 1934944), (44, 1846992), (46, 1766688), (48, 1693076), (56, 1451208), (64, 1269807), (66, 1231328), (69, 1177792), (77, 1055424), (84, 967472), (88, 923496), (92, 883344), (96, 846538), (112, 725604), (132, 615664), (138, 588896), (154, 527712), (161, 504768), (168, 483736), (176, 461748), (184, 441672), (192, 423269), (224, 362802), (231, 351808), (239, 340032), (253, 321216), (264, 307832), (276, 294448), (308, 263856), (322, 252384), (336, 241868), (352, 230874), (368, 220836), (448, 181401), (462, 175904), (478, 170016), (483, 168256), (506, 160608), (528, 153916), (552, 147224), (616, 131928), (644, 126192), (672, 120934), (704, 115437), (717, 113344), (736, 110418), (759, 107072), (924, 87952), (956, 85008), (966, 84128), (1012, 80304), (1056, 76958), (1104, 73612), (1232, 65964), (1288, 63096), (1344, 60467), (1434, 56672), (1472, 55209), (1518, 53536), (1673, 48576), (1771, 45888), (1848, 43976), (1912, 42504), (1932, 42064), (2024, 40152), (2112, 38479), (2208, 36806), (2464, 32982), (2576, 31548), (2629, 30912), (2868, 28336), (3036, 26768), (3346, 24288), (3542, 22944), (3696, 21988), (3824, 21252), (3864, 21032), (4048, 20076), (4416, 18403), (4928, 16491), (5019, 16192), (5152, 15774), (5258, 15456), (5313, 15296), (5497, 14784), (5736, 14168), (6072, 13384), (6692, 12144), (7084, 11472), (7392, 10994), (7648, 10626), (7728, 10516), (7887, 10304), (8096, 10038)]