158165840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{282439}}^1$

素因数の和:282459

約数の個数: 40

約数和(自身を含む): 420270720

約数和(自身を除く): 262104880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 282439, 564878, 1129756, 1412195, 1977073, 2259512, 2824390, 3954146, 4519024, 5648780, 7908292, 9885365, 11297560, 15816584, 19770730, 22595120, 31633168, 39541460, 79082920, 158165840]

約数ペア:

[(1, 158165840), (2, 79082920), (4, 39541460), (5, 31633168), (7, 22595120), (8, 19770730), (10, 15816584), (14, 11297560), (16, 9885365), (20, 7908292), (28, 5648780), (35, 4519024), (40, 3954146), (56, 2824390), (70, 2259512), (80, 1977073), (112, 1412195), (140, 1129756), (280, 564878), (560, 282439)]