127512280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{455401}}^1$

素因数の和:455419

約数の個数: 32

約数和(自身を含む): 327889440

約数和(自身を除く): 200377160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 455401, 910802, 1821604, 2277005, 3187807, 3643208, 4554010, 6375614, 9108020, 12751228, 15939035, 18216040, 25502456, 31878070, 63756140, 127512280]

約数ペア:

[(1, 127512280), (2, 63756140), (4, 31878070), (5, 25502456), (7, 18216040), (8, 15939035), (10, 12751228), (14, 9108020), (20, 6375614), (28, 4554010), (35, 3643208), (40, 3187807), (56, 2277005), (70, 1821604), (140, 910802), (280, 455401)]