61357420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{180463}}^1$

素因数の和:180489

約数の個数: 24

約数和(自身を含む): 136430784

約数和(自身を除く): 75073364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 180463, 360926, 721852, 902315, 1804630, 3067871, 3609260, 6135742, 12271484, 15339355, 30678710, 61357420]

約数ペア:

[(1, 61357420), (2, 30678710), (4, 15339355), (5, 12271484), (10, 6135742), (17, 3609260), (20, 3067871), (34, 1804630), (68, 902315), (85, 721852), (170, 360926), (340, 180463)]