81311184

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:409

約数の個数: 120

約数和(自身を含む): 242573760

約数和(自身を除く): 161262576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 113, 114, 144, 152, 171, 226, 228, 263, 304, 339, 342, 452, 456, 526, 678, 684, 789, 904, 912, 1017, 1052, 1356, 1368, 1578, 1808, 2034, 2104, 2147, 2367, 2712, 2736, 3156, 4068, 4208, 4294, 4734, 4997, 5424, 6312, 6441, 8136, 8588, 9468, 9994, 12624, 12882, 14991, 16272, 17176, 18936, 19323, 19988, 25764, 29719, 29982, 34352, 37872, 38646, 39976, 44973, 51528, 59438, 59964, 77292, 79952, 89157, 89946, 103056, 118876, 119928, 154584, 178314, 179892, 237752, 239856, 267471, 309168, 356628, 359784, 475504, 534942, 564661, 713256, 719568, 1069884, 1129322, 1426512, 1693983, 2139768, 2258644, 3387966, 4279536, 4517288, 5081949, 6775932, 9034576, 10163898, 13551864, 20327796, 27103728, 40655592, 81311184]

約数ペア:

[(1, 81311184), (2, 40655592), (3, 27103728), (4, 20327796), (6, 13551864), (8, 10163898), (9, 9034576), (12, 6775932), (16, 5081949), (18, 4517288), (19, 4279536), (24, 3387966), (36, 2258644), (38, 2139768), (48, 1693983), (57, 1426512), (72, 1129322), (76, 1069884), (113, 719568), (114, 713256), (144, 564661), (152, 534942), (171, 475504), (226, 359784), (228, 356628), (263, 309168), (304, 267471), (339, 239856), (342, 237752), (452, 179892), (456, 178314), (526, 154584), (678, 119928), (684, 118876), (789, 103056), (904, 89946), (912, 89157), (1017, 79952), (1052, 77292), (1356, 59964), (1368, 59438), (1578, 51528), (1808, 44973), (2034, 39976), (2104, 38646), (2147, 37872), (2367, 34352), (2712, 29982), (2736, 29719), (3156, 25764), (4068, 19988), (4208, 19323), (4294, 18936), (4734, 17176), (4997, 16272), (5424, 14991), (6312, 12882), (6441, 12624), (8136, 9994), (8588, 9468)]