1296119720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4628999}}^1$

素因数の和:4629017

約数の個数: 32

約数和(自身を含む): 3332880000

約数和(自身を除く): 2036760280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4628999, 9257998, 18515996, 23144995, 32402993, 37031992, 46289990, 64805986, 92579980, 129611972, 162014965, 185159960, 259223944, 324029930, 648059860, 1296119720]

約数ペア:

[(1, 1296119720), (2, 648059860), (4, 324029930), (5, 259223944), (7, 185159960), (8, 162014965), (10, 129611972), (14, 92579980), (20, 64805986), (28, 46289990), (35, 37031992), (40, 32402993), (56, 23144995), (70, 18515996), (140, 9257998), (280, 4628999)]