281493888

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 256

約数和(自身を含む): 888330240

約数和(自身を除く): 606836352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 31, 32, 34, 39, 48, 51, 52, 62, 64, 68, 78, 93, 96, 102, 104, 107, 124, 128, 136, 156, 186, 192, 204, 208, 214, 221, 248, 272, 312, 321, 372, 384, 403, 408, 416, 428, 442, 496, 527, 544, 624, 642, 663, 744, 806, 816, 832, 856, 884, 992, 1054, 1088, 1209, 1248, 1284, 1326, 1391, 1488, 1581, 1612, 1632, 1664, 1712, 1768, 1819, 1984, 2108, 2176, 2418, 2496, 2568, 2652, 2782, 2976, 3162, 3224, 3264, 3317, 3424, 3536, 3638, 3968, 4173, 4216, 4836, 4992, 5136, 5304, 5457, 5564, 5952, 6324, 6448, 6528, 6634, 6848, 6851, 7072, 7276, 8346, 8432, 9672, 9951, 10272, 10608, 10914, 11128, 11904, 12648, 12896, 13268, 13696, 13702, 14144, 14552, 16692, 16864, 19344, 19902, 20544, 20553, 21216, 21828, 22256, 23647, 25296, 25792, 26536, 27404, 28288, 29104, 33384, 33728, 38688, 39804, 41088, 41106, 42432, 43121, 43656, 44512, 47294, 50592, 51584, 53072, 54808, 56389, 58208, 66768, 67456, 70941, 77376, 79608, 82212, 84864, 86242, 87312, 89024, 94588, 101184, 106144, 109616, 112778, 116416, 129363, 133536, 141882, 154752, 159216, 164424, 169167, 172484, 174624, 178048, 189176, 202368, 212288, 219232, 225556, 232832, 258726, 267072, 283764, 318432, 328848, 338334, 344968, 349248, 378352, 424576, 438464, 451112, 517452, 534144, 567528, 636864, 657696, 676668, 689936, 698496, 733057, 756704, 876928, 902224, 1034904, 1135056, 1273728, 1315392, 1353336, 1379872, 1466114, 1513408, 1804448, 2069808, 2199171, 2270112, 2630784, 2706672, 2759744, 2932228, 3026816, 3608896, 4139616, 4398342, 4540224, 5413344, 5519488, 5864456, 7217792, 8279232, 8796684, 9080448, 10826688, 11728912, 16558464, 17593368, 21653376, 23457824, 35186736, 46915648, 70373472, 93831296, 140746944, 281493888]

約数ペア:

[(1, 281493888), (2, 140746944), (3, 93831296), (4, 70373472), (6, 46915648), (8, 35186736), (12, 23457824), (13, 21653376), (16, 17593368), (17, 16558464), (24, 11728912), (26, 10826688), (31, 9080448), (32, 8796684), (34, 8279232), (39, 7217792), (48, 5864456), (51, 5519488), (52, 5413344), (62, 4540224), (64, 4398342), (68, 4139616), (78, 3608896), (93, 3026816), (96, 2932228), (102, 2759744), (104, 2706672), (107, 2630784), (124, 2270112), (128, 2199171), (136, 2069808), (156, 1804448), (186, 1513408), (192, 1466114), (204, 1379872), (208, 1353336), (214, 1315392), (221, 1273728), (248, 1135056), (272, 1034904), (312, 902224), (321, 876928), (372, 756704), (384, 733057), (403, 698496), (408, 689936), (416, 676668), (428, 657696), (442, 636864), (496, 567528), (527, 534144), (544, 517452), (624, 451112), (642, 438464), (663, 424576), (744, 378352), (806, 349248), (816, 344968), (832, 338334), (856, 328848), (884, 318432), (992, 283764), (1054, 267072), (1088, 258726), (1209, 232832), (1248, 225556), (1284, 219232), (1326, 212288), (1391, 202368), (1488, 189176), (1581, 178048), (1612, 174624), (1632, 172484), (1664, 169167), (1712, 164424), (1768, 159216), (1819, 154752), (1984, 141882), (2108, 133536), (2176, 129363), (2418, 116416), (2496, 112778), (2568, 109616), (2652, 106144), (2782, 101184), (2976, 94588), (3162, 89024), (3224, 87312), (3264, 86242), (3317, 84864), (3424, 82212), (3536, 79608), (3638, 77376), (3968, 70941), (4173, 67456), (4216, 66768), (4836, 58208), (4992, 56389), (5136, 54808), (5304, 53072), (5457, 51584), (5564, 50592), (5952, 47294), (6324, 44512), (6448, 43656), (6528, 43121), (6634, 42432), (6848, 41106), (6851, 41088), (7072, 39804), (7276, 38688), (8346, 33728), (8432, 33384), (9672, 29104), (9951, 28288), (10272, 27404), (10608, 26536), (10914, 25792), (11128, 25296), (11904, 23647), (12648, 22256), (12896, 21828), (13268, 21216), (13696, 20553), (13702, 20544), (14144, 19902), (14552, 19344), (16692, 16864)]