81298368

素因数分解:

$2^6\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 168

約数和(自身を含む): 250423680

約数和(自身を除く): 169125312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 31, 32, 36, 48, 58, 62, 64, 72, 87, 93, 96, 116, 124, 144, 157, 174, 186, 192, 232, 248, 261, 279, 288, 314, 348, 372, 464, 471, 496, 522, 558, 576, 628, 696, 744, 899, 928, 942, 992, 1044, 1116, 1256, 1392, 1413, 1488, 1798, 1856, 1884, 1984, 2088, 2232, 2512, 2697, 2784, 2826, 2976, 3596, 3768, 4176, 4464, 4553, 4867, 5024, 5394, 5568, 5652, 5952, 7192, 7536, 8091, 8352, 8928, 9106, 9734, 10048, 10788, 11304, 13659, 14384, 14601, 15072, 16182, 16704, 17856, 18212, 19468, 21576, 22608, 27318, 28768, 29202, 30144, 32364, 36424, 38936, 40977, 43152, 43803, 45216, 54636, 57536, 58404, 64728, 72848, 77872, 81954, 86304, 87606, 90432, 109272, 116808, 129456, 141143, 145696, 155744, 163908, 172608, 175212, 218544, 233616, 258912, 282286, 291392, 311488, 327816, 350424, 423429, 437088, 467232, 517824, 564572, 655632, 700848, 846858, 874176, 934464, 1129144, 1270287, 1311264, 1401696, 1693716, 2258288, 2540574, 2622528, 2803392, 3387432, 4516576, 5081148, 6774864, 9033152, 10162296, 13549728, 20324592, 27099456, 40649184, 81298368]

約数ペア:

[(1, 81298368), (2, 40649184), (3, 27099456), (4, 20324592), (6, 13549728), (8, 10162296), (9, 9033152), (12, 6774864), (16, 5081148), (18, 4516576), (24, 3387432), (29, 2803392), (31, 2622528), (32, 2540574), (36, 2258288), (48, 1693716), (58, 1401696), (62, 1311264), (64, 1270287), (72, 1129144), (87, 934464), (93, 874176), (96, 846858), (116, 700848), (124, 655632), (144, 564572), (157, 517824), (174, 467232), (186, 437088), (192, 423429), (232, 350424), (248, 327816), (261, 311488), (279, 291392), (288, 282286), (314, 258912), (348, 233616), (372, 218544), (464, 175212), (471, 172608), (496, 163908), (522, 155744), (558, 145696), (576, 141143), (628, 129456), (696, 116808), (744, 109272), (899, 90432), (928, 87606), (942, 86304), (992, 81954), (1044, 77872), (1116, 72848), (1256, 64728), (1392, 58404), (1413, 57536), (1488, 54636), (1798, 45216), (1856, 43803), (1884, 43152), (1984, 40977), (2088, 38936), (2232, 36424), (2512, 32364), (2697, 30144), (2784, 29202), (2826, 28768), (2976, 27318), (3596, 22608), (3768, 21576), (4176, 19468), (4464, 18212), (4553, 17856), (4867, 16704), (5024, 16182), (5394, 15072), (5568, 14601), (5652, 14384), (5952, 13659), (7192, 11304), (7536, 10788), (8091, 10048), (8352, 9734), (8928, 9106)]