81690912

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{9781}}^1$

素因数の和:9826

約数の個数: 72

約数和(自身を含む): 240343740

約数和(自身を除く): 158652828

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2784, 4176, 8352, 9781, 19562, 29343, 39124, 58686, 78248, 88029, 117372, 156496, 176058, 234744, 283649, 312992, 352116, 469488, 567298, 704232, 850947, 938976, 1134596, 1408464, 1701894, 2269192, 2552841, 2816928, 3403788, 4538384, 5105682, 6807576, 9076768, 10211364, 13615152, 20422728, 27230304, 40845456, 81690912]

約数ペア:

[(1, 81690912), (2, 40845456), (3, 27230304), (4, 20422728), (6, 13615152), (8, 10211364), (9, 9076768), (12, 6807576), (16, 5105682), (18, 4538384), (24, 3403788), (29, 2816928), (32, 2552841), (36, 2269192), (48, 1701894), (58, 1408464), (72, 1134596), (87, 938976), (96, 850947), (116, 704232), (144, 567298), (174, 469488), (232, 352116), (261, 312992), (288, 283649), (348, 234744), (464, 176058), (522, 156496), (696, 117372), (928, 88029), (1044, 78248), (1392, 58686), (2088, 39124), (2784, 29343), (4176, 19562), (8352, 9781)]