64869560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231677}}^1$

素因数の和:231695

約数の個数: 32

約数和(自身を含む): 166808160

約数和(自身を除く): 101938600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231677, 463354, 926708, 1158385, 1621739, 1853416, 2316770, 3243478, 4633540, 6486956, 8108695, 9267080, 12973912, 16217390, 32434780, 64869560]

約数ペア:

[(1, 64869560), (2, 32434780), (4, 16217390), (5, 12973912), (7, 9267080), (8, 8108695), (10, 6486956), (14, 4633540), (20, 3243478), (28, 2316770), (35, 1853416), (40, 1621739), (56, 1158385), (70, 926708), (140, 463354), (280, 231677)]