67056920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239489}}^1$

素因数の和:239507

約数の個数: 32

約数和(自身を含む): 172432800

約数和(自身を除く): 105375880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 239489, 478978, 957956, 1197445, 1676423, 1915912, 2394890, 3352846, 4789780, 6705692, 8382115, 9579560, 13411384, 16764230, 33528460, 67056920]

約数ペア:

[(1, 67056920), (2, 33528460), (4, 16764230), (5, 13411384), (7, 9579560), (8, 8382115), (10, 6705692), (14, 4789780), (20, 3352846), (28, 2394890), (35, 1915912), (40, 1676423), (56, 1197445), (70, 957956), (140, 478978), (280, 239489)]