81145728

素因数分解:

$2^7\times 3^2\times {\mathrm{70439}}^1$

素因数の和:70459

約数の個数: 48

約数和(自身を含む): 233508600

約数和(自身を除く): 152362872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 70439, 140878, 211317, 281756, 422634, 563512, 633951, 845268, 1127024, 1267902, 1690536, 2254048, 2535804, 3381072, 4508096, 5071608, 6762144, 9016192, 10143216, 13524288, 20286432, 27048576, 40572864, 81145728]

約数ペア:

[(1, 81145728), (2, 40572864), (3, 27048576), (4, 20286432), (6, 13524288), (8, 10143216), (9, 9016192), (12, 6762144), (16, 5071608), (18, 4508096), (24, 3381072), (32, 2535804), (36, 2254048), (48, 1690536), (64, 1267902), (72, 1127024), (96, 845268), (128, 633951), (144, 563512), (192, 422634), (288, 281756), (384, 211317), (576, 140878), (1152, 70439)]