81387648

素因数分解:

$2^7\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:147

約数の個数: 192

約数和(自身を含む): 252046080

約数和(自身を除く): 170658432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 43, 48, 53, 62, 64, 72, 86, 93, 96, 106, 124, 128, 129, 144, 159, 172, 186, 192, 212, 248, 258, 279, 288, 318, 344, 372, 384, 387, 424, 477, 496, 516, 558, 576, 636, 688, 744, 774, 848, 954, 992, 1032, 1116, 1152, 1272, 1333, 1376, 1488, 1548, 1643, 1696, 1908, 1984, 2064, 2232, 2279, 2544, 2666, 2752, 2976, 3096, 3286, 3392, 3816, 3968, 3999, 4128, 4464, 4558, 4929, 5088, 5332, 5504, 5952, 6192, 6572, 6784, 6837, 7632, 7998, 8256, 8928, 9116, 9858, 10176, 10664, 11904, 11997, 12384, 13144, 13674, 14787, 15264, 15996, 16512, 17856, 18232, 19716, 20352, 20511, 21328, 23994, 24768, 26288, 27348, 29574, 30528, 31992, 35712, 36464, 39432, 41022, 42656, 47988, 49536, 52576, 54696, 59148, 61056, 63984, 70649, 72928, 78864, 82044, 85312, 95976, 105152, 109392, 118296, 127968, 141298, 145856, 157728, 164088, 170624, 191952, 210304, 211947, 218784, 236592, 255936, 282596, 291712, 315456, 328176, 383904, 423894, 437568, 473184, 511872, 565192, 630912, 635841, 656352, 767808, 847788, 875136, 946368, 1130384, 1271682, 1312704, 1535616, 1695576, 1892736, 2260768, 2543364, 2625408, 3391152, 4521536, 5086728, 6782304, 9043072, 10173456, 13564608, 20346912, 27129216, 40693824, 81387648]

約数ペア:

[(1, 81387648), (2, 40693824), (3, 27129216), (4, 20346912), (6, 13564608), (8, 10173456), (9, 9043072), (12, 6782304), (16, 5086728), (18, 4521536), (24, 3391152), (31, 2625408), (32, 2543364), (36, 2260768), (43, 1892736), (48, 1695576), (53, 1535616), (62, 1312704), (64, 1271682), (72, 1130384), (86, 946368), (93, 875136), (96, 847788), (106, 767808), (124, 656352), (128, 635841), (129, 630912), (144, 565192), (159, 511872), (172, 473184), (186, 437568), (192, 423894), (212, 383904), (248, 328176), (258, 315456), (279, 291712), (288, 282596), (318, 255936), (344, 236592), (372, 218784), (384, 211947), (387, 210304), (424, 191952), (477, 170624), (496, 164088), (516, 157728), (558, 145856), (576, 141298), (636, 127968), (688, 118296), (744, 109392), (774, 105152), (848, 95976), (954, 85312), (992, 82044), (1032, 78864), (1116, 72928), (1152, 70649), (1272, 63984), (1333, 61056), (1376, 59148), (1488, 54696), (1548, 52576), (1643, 49536), (1696, 47988), (1908, 42656), (1984, 41022), (2064, 39432), (2232, 36464), (2279, 35712), (2544, 31992), (2666, 30528), (2752, 29574), (2976, 27348), (3096, 26288), (3286, 24768), (3392, 23994), (3816, 21328), (3968, 20511), (3999, 20352), (4128, 19716), (4464, 18232), (4558, 17856), (4929, 16512), (5088, 15996), (5332, 15264), (5504, 14787), (5952, 13674), (6192, 13144), (6572, 12384), (6784, 11997), (6837, 11904), (7632, 10664), (7998, 10176), (8256, 9858), (8928, 9116)]