81731052

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2580

約数の個数: 96

約数和(自身を含む): 238210560

約数和(自身を除く): 156479508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 92, 108, 117, 138, 156, 207, 234, 276, 299, 351, 414, 468, 598, 621, 702, 828, 897, 1196, 1242, 1404, 1794, 2484, 2531, 2691, 3588, 5062, 5382, 7593, 8073, 10124, 10764, 15186, 16146, 22779, 30372, 32292, 32903, 45558, 58213, 65806, 68337, 91116, 98709, 116426, 131612, 136674, 174639, 197418, 232852, 273348, 296127, 349278, 394836, 523917, 592254, 698556, 756769, 888381, 1047834, 1184508, 1513538, 1571751, 1776762, 2095668, 2270307, 3027076, 3143502, 3553524, 4540614, 6287004, 6810921, 9081228, 13621842, 20432763, 27243684, 40865526, 81731052]

約数ペア:

[(1, 81731052), (2, 40865526), (3, 27243684), (4, 20432763), (6, 13621842), (9, 9081228), (12, 6810921), (13, 6287004), (18, 4540614), (23, 3553524), (26, 3143502), (27, 3027076), (36, 2270307), (39, 2095668), (46, 1776762), (52, 1571751), (54, 1513538), (69, 1184508), (78, 1047834), (92, 888381), (108, 756769), (117, 698556), (138, 592254), (156, 523917), (207, 394836), (234, 349278), (276, 296127), (299, 273348), (351, 232852), (414, 197418), (468, 174639), (598, 136674), (621, 131612), (702, 116426), (828, 98709), (897, 91116), (1196, 68337), (1242, 65806), (1404, 58213), (1794, 45558), (2484, 32903), (2531, 32292), (2691, 30372), (3588, 22779), (5062, 16146), (5382, 15186), (7593, 10764), (8073, 10124)]