68105240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{243233}}^1$

素因数の和:243251

約数の個数: 32

約数和(自身を含む): 175128480

約数和(自身を除く): 107023240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 243233, 486466, 972932, 1216165, 1702631, 1945864, 2432330, 3405262, 4864660, 6810524, 8513155, 9729320, 13621048, 17026310, 34052620, 68105240]

約数ペア:

[(1, 68105240), (2, 34052620), (4, 17026310), (5, 13621048), (7, 9729320), (8, 8513155), (10, 6810524), (14, 4864660), (20, 3405262), (28, 2432330), (35, 1945864), (40, 1702631), (56, 1216165), (70, 972932), (140, 486466), (280, 243233)]