81971136

素因数分解:

$2^6\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 224

約数和(自身を含む): 268833600

約数和(自身を除く): 186862464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 41, 48, 52, 54, 64, 72, 78, 82, 89, 96, 104, 108, 117, 123, 144, 156, 164, 178, 192, 208, 216, 234, 246, 267, 288, 312, 328, 351, 356, 369, 416, 432, 468, 492, 533, 534, 576, 624, 656, 702, 712, 738, 801, 832, 864, 936, 984, 1066, 1068, 1107, 1157, 1248, 1312, 1404, 1424, 1476, 1599, 1602, 1728, 1872, 1968, 2132, 2136, 2214, 2314, 2403, 2496, 2624, 2808, 2848, 2952, 3198, 3204, 3471, 3649, 3744, 3936, 4264, 4272, 4428, 4628, 4797, 4806, 5616, 5696, 5904, 6396, 6408, 6942, 7298, 7488, 7872, 8528, 8544, 8856, 9256, 9594, 9612, 10413, 10947, 11232, 11808, 12792, 12816, 13884, 14391, 14596, 17056, 17088, 17712, 18512, 19188, 19224, 20826, 21894, 22464, 23616, 25584, 25632, 27768, 28782, 29192, 31239, 32841, 34112, 35424, 37024, 38376, 38448, 41652, 43788, 47437, 51168, 51264, 55536, 57564, 58384, 62478, 65682, 70848, 74048, 76752, 76896, 83304, 87576, 94874, 98523, 102336, 111072, 115128, 116768, 124956, 131364, 142311, 153504, 153792, 166608, 175152, 189748, 197046, 222144, 230256, 233536, 249912, 262728, 284622, 307008, 333216, 350304, 379496, 394092, 426933, 460512, 499824, 525456, 569244, 666432, 700608, 758992, 788184, 853866, 921024, 999648, 1050912, 1138488, 1280799, 1517984, 1576368, 1707732, 1999296, 2101824, 2276976, 2561598, 3035968, 3152736, 3415464, 4553952, 5123196, 6305472, 6830928, 9107904, 10246392, 13661856, 20492784, 27323712, 40985568, 81971136]

約数ペア:

[(1, 81971136), (2, 40985568), (3, 27323712), (4, 20492784), (6, 13661856), (8, 10246392), (9, 9107904), (12, 6830928), (13, 6305472), (16, 5123196), (18, 4553952), (24, 3415464), (26, 3152736), (27, 3035968), (32, 2561598), (36, 2276976), (39, 2101824), (41, 1999296), (48, 1707732), (52, 1576368), (54, 1517984), (64, 1280799), (72, 1138488), (78, 1050912), (82, 999648), (89, 921024), (96, 853866), (104, 788184), (108, 758992), (117, 700608), (123, 666432), (144, 569244), (156, 525456), (164, 499824), (178, 460512), (192, 426933), (208, 394092), (216, 379496), (234, 350304), (246, 333216), (267, 307008), (288, 284622), (312, 262728), (328, 249912), (351, 233536), (356, 230256), (369, 222144), (416, 197046), (432, 189748), (468, 175152), (492, 166608), (533, 153792), (534, 153504), (576, 142311), (624, 131364), (656, 124956), (702, 116768), (712, 115128), (738, 111072), (801, 102336), (832, 98523), (864, 94874), (936, 87576), (984, 83304), (1066, 76896), (1068, 76752), (1107, 74048), (1157, 70848), (1248, 65682), (1312, 62478), (1404, 58384), (1424, 57564), (1476, 55536), (1599, 51264), (1602, 51168), (1728, 47437), (1872, 43788), (1968, 41652), (2132, 38448), (2136, 38376), (2214, 37024), (2314, 35424), (2403, 34112), (2496, 32841), (2624, 31239), (2808, 29192), (2848, 28782), (2952, 27768), (3198, 25632), (3204, 25584), (3471, 23616), (3649, 22464), (3744, 21894), (3936, 20826), (4264, 19224), (4272, 19188), (4428, 18512), (4628, 17712), (4797, 17088), (4806, 17056), (5616, 14596), (5696, 14391), (5904, 13884), (6396, 12816), (6408, 12792), (6942, 11808), (7298, 11232), (7488, 10947), (7872, 10413), (8528, 9612), (8544, 9594), (8856, 9256)]