256580880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1069087}}^1$

素因数の和:1069103

約数の個数: 40

約数和(自身を含む): 795401472

約数和(自身を除く): 538820592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1069087, 2138174, 3207261, 4276348, 5345435, 6414522, 8552696, 10690870, 12829044, 16036305, 17105392, 21381740, 25658088, 32072610, 42763480, 51316176, 64145220, 85526960, 128290440, 256580880]

約数ペア:

[(1, 256580880), (2, 128290440), (3, 85526960), (4, 64145220), (5, 51316176), (6, 42763480), (8, 32072610), (10, 25658088), (12, 21381740), (15, 17105392), (16, 16036305), (20, 12829044), (24, 10690870), (30, 8552696), (40, 6414522), (48, 5345435), (60, 4276348), (80, 3207261), (120, 2138174), (240, 1069087)]