81549216

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2129}}^1$

素因数の和:2171

約数の個数: 144

約数和(自身を含む): 279115200

約数和(自身を除く): 197565984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 96, 112, 114, 126, 133, 144, 152, 168, 171, 224, 228, 252, 266, 288, 304, 336, 342, 399, 456, 504, 532, 608, 672, 684, 798, 912, 1008, 1064, 1197, 1368, 1596, 1824, 2016, 2128, 2129, 2394, 2736, 3192, 4256, 4258, 4788, 5472, 6384, 6387, 8516, 9576, 12768, 12774, 14903, 17032, 19152, 19161, 25548, 29806, 34064, 38304, 38322, 40451, 44709, 51096, 59612, 68128, 76644, 80902, 89418, 102192, 119224, 121353, 134127, 153288, 161804, 178836, 204384, 238448, 242706, 268254, 283157, 306576, 323608, 357672, 364059, 476896, 485412, 536508, 566314, 613152, 647216, 715344, 728118, 849471, 970824, 1073016, 1132628, 1294432, 1430688, 1456236, 1698942, 1941648, 2146032, 2265256, 2548413, 2912472, 3397884, 3883296, 4292064, 4530512, 5096826, 5824944, 6795768, 9061024, 10193652, 11649888, 13591536, 20387304, 27183072, 40774608, 81549216]

約数ペア:

[(1, 81549216), (2, 40774608), (3, 27183072), (4, 20387304), (6, 13591536), (7, 11649888), (8, 10193652), (9, 9061024), (12, 6795768), (14, 5824944), (16, 5096826), (18, 4530512), (19, 4292064), (21, 3883296), (24, 3397884), (28, 2912472), (32, 2548413), (36, 2265256), (38, 2146032), (42, 1941648), (48, 1698942), (56, 1456236), (57, 1430688), (63, 1294432), (72, 1132628), (76, 1073016), (84, 970824), (96, 849471), (112, 728118), (114, 715344), (126, 647216), (133, 613152), (144, 566314), (152, 536508), (168, 485412), (171, 476896), (224, 364059), (228, 357672), (252, 323608), (266, 306576), (288, 283157), (304, 268254), (336, 242706), (342, 238448), (399, 204384), (456, 178836), (504, 161804), (532, 153288), (608, 134127), (672, 121353), (684, 119224), (798, 102192), (912, 89418), (1008, 80902), (1064, 76644), (1197, 68128), (1368, 59612), (1596, 51096), (1824, 44709), (2016, 40451), (2128, 38322), (2129, 38304), (2394, 34064), (2736, 29806), (3192, 25548), (4256, 19161), (4258, 19152), (4788, 17032), (5472, 14903), (6384, 12774), (6387, 12768), (8516, 9576)]