67911760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121271}}^1$

素因数の和:121291

約数の個数: 40

約数和(自身を含む): 180452736

約数和(自身を除く): 112540976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121271, 242542, 485084, 606355, 848897, 970168, 1212710, 1697794, 1940336, 2425420, 3395588, 4244485, 4850840, 6791176, 8488970, 9701680, 13582352, 16977940, 33955880, 67911760]

約数ペア:

[(1, 67911760), (2, 33955880), (4, 16977940), (5, 13582352), (7, 9701680), (8, 8488970), (10, 6791176), (14, 4850840), (16, 4244485), (20, 3395588), (28, 2425420), (35, 1940336), (40, 1697794), (56, 1212710), (70, 970168), (80, 848897), (112, 606355), (140, 485084), (280, 242542), (560, 121271)]