81723456

素因数分解:

$2^6\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2677}}^1$

素因数の和:2748

約数の個数: 84

約数和(自身を含む): 238754412

約数和(自身を除く): 157030956

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 64, 72, 96, 106, 144, 159, 192, 212, 288, 318, 424, 477, 576, 636, 848, 954, 1272, 1696, 1908, 2544, 2677, 3392, 3816, 5088, 5354, 7632, 8031, 10176, 10708, 15264, 16062, 21416, 24093, 30528, 32124, 42832, 48186, 64248, 85664, 96372, 128496, 141881, 171328, 192744, 256992, 283762, 385488, 425643, 513984, 567524, 770976, 851286, 1135048, 1276929, 1541952, 1702572, 2270096, 2553858, 3405144, 4540192, 5107716, 6810288, 9080384, 10215432, 13620576, 20430864, 27241152, 40861728, 81723456]

約数ペア:

[(1, 81723456), (2, 40861728), (3, 27241152), (4, 20430864), (6, 13620576), (8, 10215432), (9, 9080384), (12, 6810288), (16, 5107716), (18, 4540192), (24, 3405144), (32, 2553858), (36, 2270096), (48, 1702572), (53, 1541952), (64, 1276929), (72, 1135048), (96, 851286), (106, 770976), (144, 567524), (159, 513984), (192, 425643), (212, 385488), (288, 283762), (318, 256992), (424, 192744), (477, 171328), (576, 141881), (636, 128496), (848, 96372), (954, 85664), (1272, 64248), (1696, 48186), (1908, 42832), (2544, 32124), (2677, 30528), (3392, 24093), (3816, 21416), (5088, 16062), (5354, 15264), (7632, 10708), (8031, 10176)]