121880080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{217643}}^1$

素因数の和:217663

約数の個数: 40

約数和(自身を含む): 323854272

約数和(自身を除く): 201974192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 217643, 435286, 870572, 1088215, 1523501, 1741144, 2176430, 3047002, 3482288, 4352860, 6094004, 7617505, 8705720, 12188008, 15235010, 17411440, 24376016, 30470020, 60940040, 121880080]

約数ペア:

[(1, 121880080), (2, 60940040), (4, 30470020), (5, 24376016), (7, 17411440), (8, 15235010), (10, 12188008), (14, 8705720), (16, 7617505), (20, 6094004), (28, 4352860), (35, 3482288), (40, 3047002), (56, 2176430), (70, 1741144), (80, 1523501), (112, 1088215), (140, 870572), (280, 435286), (560, 217643)]