261203184

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 240

約数和(自身を含む): 870777600

約数和(自身を除く): 609574416

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 27, 33, 36, 38, 44, 48, 54, 57, 66, 72, 76, 88, 99, 108, 114, 121, 132, 144, 152, 171, 176, 198, 209, 216, 228, 242, 263, 264, 297, 304, 342, 363, 396, 418, 432, 456, 484, 513, 526, 528, 594, 627, 684, 726, 789, 792, 836, 912, 968, 1026, 1052, 1089, 1188, 1254, 1368, 1452, 1578, 1584, 1672, 1881, 1936, 2052, 2104, 2178, 2299, 2367, 2376, 2508, 2736, 2893, 2904, 3156, 3267, 3344, 3762, 4104, 4208, 4356, 4598, 4734, 4752, 4997, 5016, 5643, 5786, 5808, 6312, 6534, 6897, 7101, 7524, 8208, 8679, 8712, 9196, 9468, 9994, 10032, 11286, 11572, 12624, 13068, 13794, 14202, 14991, 15048, 17358, 17424, 18392, 18936, 19988, 20691, 22572, 23144, 26037, 26136, 27588, 28404, 29982, 30096, 31823, 34716, 36784, 37872, 39976, 41382, 44973, 45144, 46288, 52074, 52272, 54967, 55176, 56808, 59964, 62073, 63646, 69432, 78111, 79952, 82764, 89946, 90288, 95469, 104148, 109934, 110352, 113616, 119928, 124146, 127292, 134919, 138864, 156222, 164901, 165528, 179892, 190938, 208296, 219868, 239856, 248292, 254584, 269838, 286407, 312444, 329802, 331056, 359784, 381876, 416592, 439736, 494703, 496584, 509168, 539676, 572814, 604637, 624888, 659604, 719568, 763752, 859221, 879472, 989406, 993168, 1079352, 1145628, 1209274, 1249776, 1319208, 1484109, 1527504, 1718442, 1813911, 1978812, 2158704, 2291256, 2418548, 2638416, 2968218, 3436884, 3627822, 3957624, 4582512, 4837096, 5441733, 5936436, 6873768, 7255644, 7915248, 9674192, 10883466, 11872872, 13747536, 14511288, 16325199, 21766932, 23745744, 29022576, 32650398, 43533864, 65300796, 87067728, 130601592, 261203184]

約数ペア:

[(1, 261203184), (2, 130601592), (3, 87067728), (4, 65300796), (6, 43533864), (8, 32650398), (9, 29022576), (11, 23745744), (12, 21766932), (16, 16325199), (18, 14511288), (19, 13747536), (22, 11872872), (24, 10883466), (27, 9674192), (33, 7915248), (36, 7255644), (38, 6873768), (44, 5936436), (48, 5441733), (54, 4837096), (57, 4582512), (66, 3957624), (72, 3627822), (76, 3436884), (88, 2968218), (99, 2638416), (108, 2418548), (114, 2291256), (121, 2158704), (132, 1978812), (144, 1813911), (152, 1718442), (171, 1527504), (176, 1484109), (198, 1319208), (209, 1249776), (216, 1209274), (228, 1145628), (242, 1079352), (263, 993168), (264, 989406), (297, 879472), (304, 859221), (342, 763752), (363, 719568), (396, 659604), (418, 624888), (432, 604637), (456, 572814), (484, 539676), (513, 509168), (526, 496584), (528, 494703), (594, 439736), (627, 416592), (684, 381876), (726, 359784), (789, 331056), (792, 329802), (836, 312444), (912, 286407), (968, 269838), (1026, 254584), (1052, 248292), (1089, 239856), (1188, 219868), (1254, 208296), (1368, 190938), (1452, 179892), (1578, 165528), (1584, 164901), (1672, 156222), (1881, 138864), (1936, 134919), (2052, 127292), (2104, 124146), (2178, 119928), (2299, 113616), (2367, 110352), (2376, 109934), (2508, 104148), (2736, 95469), (2893, 90288), (2904, 89946), (3156, 82764), (3267, 79952), (3344, 78111), (3762, 69432), (4104, 63646), (4208, 62073), (4356, 59964), (4598, 56808), (4734, 55176), (4752, 54967), (4997, 52272), (5016, 52074), (5643, 46288), (5786, 45144), (5808, 44973), (6312, 41382), (6534, 39976), (6897, 37872), (7101, 36784), (7524, 34716), (8208, 31823), (8679, 30096), (8712, 29982), (9196, 28404), (9468, 27588), (9994, 26136), (10032, 26037), (11286, 23144), (11572, 22572), (12624, 20691), (13068, 19988), (13794, 18936), (14202, 18392), (14991, 17424), (15048, 17358)]