71611960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{255757}}^1$

素因数の和:255775

約数の個数: 32

約数和(自身を含む): 184145760

約数和(自身を除く): 112533800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 255757, 511514, 1023028, 1278785, 1790299, 2046056, 2557570, 3580598, 5115140, 7161196, 8951495, 10230280, 14322392, 17902990, 35805980, 71611960]

約数ペア:

[(1, 71611960), (2, 35805980), (4, 17902990), (5, 14322392), (7, 10230280), (8, 8951495), (10, 7161196), (14, 5115140), (20, 3580598), (28, 2557570), (35, 2046056), (40, 1790299), (56, 1278785), (70, 1023028), (140, 511514), (280, 255757)]