1330280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4751}}^1$

素因数の和:4769

約数の個数: 32

約数和(自身を含む): 3421440

約数和(自身を除く): 2091160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4751, 9502, 19004, 23755, 33257, 38008, 47510, 66514, 95020, 133028, 166285, 190040, 266056, 332570, 665140, 1330280]

約数ペア:

[(1, 1330280), (2, 665140), (4, 332570), (5, 266056), (7, 190040), (8, 166285), (10, 133028), (14, 95020), (20, 66514), (28, 47510), (35, 38008), (40, 33257), (56, 23755), (70, 19004), (140, 9502), (280, 4751)]