81715824

素因数分解:

$2^4\times 3^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:196

約数の個数: 160

約数和(自身を含む): 247484160

約数和(自身を除く): 165768336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 53, 54, 72, 83, 86, 106, 108, 129, 144, 159, 166, 172, 212, 216, 249, 258, 318, 332, 344, 387, 424, 432, 477, 498, 516, 636, 664, 688, 747, 774, 848, 954, 996, 1032, 1161, 1272, 1328, 1431, 1494, 1548, 1908, 1992, 2064, 2241, 2279, 2322, 2544, 2862, 2988, 3096, 3569, 3816, 3984, 4399, 4482, 4558, 4644, 5724, 5976, 6192, 6837, 7138, 7632, 8798, 8964, 9116, 9288, 10707, 11448, 11952, 13197, 13674, 14276, 17596, 17928, 18232, 18576, 20511, 21414, 22896, 26394, 27348, 28552, 32121, 35192, 35856, 36464, 39591, 41022, 42828, 52788, 54696, 57104, 61533, 64242, 70384, 79182, 82044, 85656, 96363, 105576, 109392, 118773, 123066, 128484, 158364, 164088, 171312, 189157, 192726, 211152, 237546, 246132, 256968, 316728, 328176, 378314, 385452, 475092, 492264, 513936, 567471, 633456, 756628, 770904, 950184, 984528, 1134942, 1513256, 1541808, 1702413, 1900368, 2269884, 3026512, 3404826, 4539768, 5107239, 6809652, 9079536, 10214478, 13619304, 20428956, 27238608, 40857912, 81715824]

約数ペア:

[(1, 81715824), (2, 40857912), (3, 27238608), (4, 20428956), (6, 13619304), (8, 10214478), (9, 9079536), (12, 6809652), (16, 5107239), (18, 4539768), (24, 3404826), (27, 3026512), (36, 2269884), (43, 1900368), (48, 1702413), (53, 1541808), (54, 1513256), (72, 1134942), (83, 984528), (86, 950184), (106, 770904), (108, 756628), (129, 633456), (144, 567471), (159, 513936), (166, 492264), (172, 475092), (212, 385452), (216, 378314), (249, 328176), (258, 316728), (318, 256968), (332, 246132), (344, 237546), (387, 211152), (424, 192726), (432, 189157), (477, 171312), (498, 164088), (516, 158364), (636, 128484), (664, 123066), (688, 118773), (747, 109392), (774, 105576), (848, 96363), (954, 85656), (996, 82044), (1032, 79182), (1161, 70384), (1272, 64242), (1328, 61533), (1431, 57104), (1494, 54696), (1548, 52788), (1908, 42828), (1992, 41022), (2064, 39591), (2241, 36464), (2279, 35856), (2322, 35192), (2544, 32121), (2862, 28552), (2988, 27348), (3096, 26394), (3569, 22896), (3816, 21414), (3984, 20511), (4399, 18576), (4482, 18232), (4558, 17928), (4644, 17596), (5724, 14276), (5976, 13674), (6192, 13197), (6837, 11952), (7138, 11448), (7632, 10707), (8798, 9288), (8964, 9116)]