81171144

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1$

素因数の和:971

約数の個数: 96

約数和(自身を含む): 232727040

約数和(自身を除く): 151555896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 41, 62, 72, 82, 93, 123, 124, 164, 186, 246, 248, 279, 328, 369, 372, 492, 558, 738, 744, 887, 984, 1116, 1271, 1476, 1774, 2232, 2542, 2661, 2952, 3548, 3813, 5084, 5322, 7096, 7626, 7983, 10168, 10644, 11439, 15252, 15966, 21288, 22878, 27497, 30504, 31932, 36367, 45756, 54994, 63864, 72734, 82491, 91512, 109101, 109988, 145468, 164982, 218202, 219976, 247473, 290936, 327303, 329964, 436404, 494946, 654606, 659928, 872808, 989892, 1127377, 1309212, 1979784, 2254754, 2618424, 3382131, 4509508, 6764262, 9019016, 10146393, 13528524, 20292786, 27057048, 40585572, 81171144]

約数ペア:

[(1, 81171144), (2, 40585572), (3, 27057048), (4, 20292786), (6, 13528524), (8, 10146393), (9, 9019016), (12, 6764262), (18, 4509508), (24, 3382131), (31, 2618424), (36, 2254754), (41, 1979784), (62, 1309212), (72, 1127377), (82, 989892), (93, 872808), (123, 659928), (124, 654606), (164, 494946), (186, 436404), (246, 329964), (248, 327303), (279, 290936), (328, 247473), (369, 219976), (372, 218202), (492, 164982), (558, 145468), (738, 109988), (744, 109101), (887, 91512), (984, 82491), (1116, 72734), (1271, 63864), (1476, 54994), (1774, 45756), (2232, 36367), (2542, 31932), (2661, 30504), (2952, 27497), (3548, 22878), (3813, 21288), (5084, 15966), (5322, 15252), (7096, 11439), (7626, 10644), (7983, 10168)]