66472280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{237401}}^1$

素因数の和:237419

約数の個数: 32

約数和(自身を含む): 170929440

約数和(自身を除く): 104457160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 237401, 474802, 949604, 1187005, 1661807, 1899208, 2374010, 3323614, 4748020, 6647228, 8309035, 9496040, 13294456, 16618070, 33236140, 66472280]

約数ペア:

[(1, 66472280), (2, 33236140), (4, 16618070), (5, 13294456), (7, 9496040), (8, 8309035), (10, 6647228), (14, 4748020), (20, 3323614), (28, 2374010), (35, 1899208), (40, 1661807), (56, 1187005), (70, 949604), (140, 474802), (280, 237401)]