81720612

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{22039}}^1$

素因数の和:22152

約数の個数: 36

約数和(自身を含む): 208586560

約数和(自身を除く): 126865948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 206, 309, 412, 618, 927, 1236, 1854, 3708, 22039, 44078, 66117, 88156, 132234, 198351, 264468, 396702, 793404, 2270017, 4540034, 6810051, 9080068, 13620102, 20430153, 27240204, 40860306, 81720612]

約数ペア:

[(1, 81720612), (2, 40860306), (3, 27240204), (4, 20430153), (6, 13620102), (9, 9080068), (12, 6810051), (18, 4540034), (36, 2270017), (103, 793404), (206, 396702), (309, 264468), (412, 198351), (618, 132234), (927, 88156), (1236, 66117), (1854, 44078), (3708, 22039)]