81279553024

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{18661}}^1$

素因数の和:18907

約数の個数: 80

約数和(自身を含む): 166780950336

約数和(自身を除く): 85501397312

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 181, 188, 256, 362, 376, 512, 724, 752, 1448, 1504, 2896, 3008, 5792, 6016, 8507, 11584, 12032, 17014, 18661, 23168, 24064, 34028, 37322, 46336, 68056, 74644, 92672, 136112, 149288, 272224, 298576, 544448, 597152, 877067, 1088896, 1194304, 1754134, 2177792, 2388608, 3377641, 3508268, 4355584, 4777216, 6755282, 7016536, 9554432, 13510564, 14033072, 27021128, 28066144, 54042256, 56132288, 108084512, 112264576, 158749127, 216169024, 224529152, 317498254, 432338048, 449058304, 634996508, 864676096, 1269993016, 1729352192, 2539986032, 5079972064, 10159944128, 20319888256, 40639776512, 81279553024]

約数ペア:

[(1, 81279553024), (2, 40639776512), (4, 20319888256), (8, 10159944128), (16, 5079972064), (32, 2539986032), (47, 1729352192), (64, 1269993016), (94, 864676096), (128, 634996508), (181, 449058304), (188, 432338048), (256, 317498254), (362, 224529152), (376, 216169024), (512, 158749127), (724, 112264576), (752, 108084512), (1448, 56132288), (1504, 54042256), (2896, 28066144), (3008, 27021128), (5792, 14033072), (6016, 13510564), (8507, 9554432), (11584, 7016536), (12032, 6755282), (17014, 4777216), (18661, 4355584), (23168, 3508268), (24064, 3377641), (34028, 2388608), (37322, 2177792), (46336, 1754134), (68056, 1194304), (74644, 1088896), (92672, 877067), (136112, 597152), (149288, 544448), (272224, 298576)]