81411456

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1032

約数の個数: 128

約数和(自身を含む): 255375360

約数和(自身を除く): 173963904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 192, 217, 224, 248, 336, 372, 384, 434, 448, 496, 651, 672, 744, 868, 896, 977, 992, 1302, 1344, 1488, 1736, 1954, 1984, 2604, 2688, 2931, 2976, 3472, 3908, 3968, 5208, 5862, 5952, 6839, 6944, 7816, 10416, 11724, 11904, 13678, 13888, 15632, 20517, 20832, 23448, 27356, 27776, 30287, 31264, 41034, 41664, 46896, 54712, 60574, 62528, 82068, 83328, 90861, 93792, 109424, 121148, 125056, 164136, 181722, 187584, 212009, 218848, 242296, 328272, 363444, 375168, 424018, 437696, 484592, 636027, 656544, 726888, 848036, 875392, 969184, 1272054, 1313088, 1453776, 1696072, 1938368, 2544108, 2626176, 2907552, 3392144, 3876736, 5088216, 5815104, 6784288, 10176432, 11630208, 13568576, 20352864, 27137152, 40705728, 81411456]

約数ペア:

[(1, 81411456), (2, 40705728), (3, 27137152), (4, 20352864), (6, 13568576), (7, 11630208), (8, 10176432), (12, 6784288), (14, 5815104), (16, 5088216), (21, 3876736), (24, 3392144), (28, 2907552), (31, 2626176), (32, 2544108), (42, 1938368), (48, 1696072), (56, 1453776), (62, 1313088), (64, 1272054), (84, 969184), (93, 875392), (96, 848036), (112, 726888), (124, 656544), (128, 636027), (168, 484592), (186, 437696), (192, 424018), (217, 375168), (224, 363444), (248, 328272), (336, 242296), (372, 218848), (384, 212009), (434, 187584), (448, 181722), (496, 164136), (651, 125056), (672, 121148), (744, 109424), (868, 93792), (896, 90861), (977, 83328), (992, 82068), (1302, 62528), (1344, 60574), (1488, 54712), (1736, 46896), (1954, 41664), (1984, 41034), (2604, 31264), (2688, 30287), (2931, 27776), (2976, 27356), (3472, 23448), (3908, 20832), (3968, 20517), (5208, 15632), (5862, 13888), (5952, 13678), (6839, 11904), (6944, 11724), (7816, 10416)]