81299904

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:514

約数の個数: 112

約数和(自身を含む): 247838976

約数和(自身を除く): 166539072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 241, 251, 336, 448, 482, 502, 672, 723, 753, 964, 1004, 1344, 1446, 1506, 1687, 1757, 1928, 2008, 2892, 3012, 3374, 3514, 3856, 4016, 5061, 5271, 5784, 6024, 6748, 7028, 7712, 8032, 10122, 10542, 11568, 12048, 13496, 14056, 15424, 16064, 20244, 21084, 23136, 24096, 26992, 28112, 40488, 42168, 46272, 48192, 53984, 56224, 60491, 80976, 84336, 107968, 112448, 120982, 161952, 168672, 181473, 241964, 323904, 337344, 362946, 423437, 483928, 725892, 846874, 967856, 1270311, 1451784, 1693748, 1935712, 2540622, 2903568, 3387496, 3871424, 5081244, 5807136, 6774992, 10162488, 11614272, 13549984, 20324976, 27099968, 40649952, 81299904]

約数ペア:

[(1, 81299904), (2, 40649952), (3, 27099968), (4, 20324976), (6, 13549984), (7, 11614272), (8, 10162488), (12, 6774992), (14, 5807136), (16, 5081244), (21, 3871424), (24, 3387496), (28, 2903568), (32, 2540622), (42, 1935712), (48, 1693748), (56, 1451784), (64, 1270311), (84, 967856), (96, 846874), (112, 725892), (168, 483928), (192, 423437), (224, 362946), (241, 337344), (251, 323904), (336, 241964), (448, 181473), (482, 168672), (502, 161952), (672, 120982), (723, 112448), (753, 107968), (964, 84336), (1004, 80976), (1344, 60491), (1446, 56224), (1506, 53984), (1687, 48192), (1757, 46272), (1928, 42168), (2008, 40488), (2892, 28112), (3012, 26992), (3374, 24096), (3514, 23136), (3856, 21084), (4016, 20244), (5061, 16064), (5271, 15424), (5784, 14056), (6024, 13496), (6748, 12048), (7028, 11568), (7712, 10542), (8032, 10122)]