161196560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{287851}}^1$

素因数の和:287871

約数の個数: 40

約数和(自身を含む): 428323776

約数和(自身を除く): 267127216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 287851, 575702, 1151404, 1439255, 2014957, 2302808, 2878510, 4029914, 4605616, 5757020, 8059828, 10074785, 11514040, 16119656, 20149570, 23028080, 32239312, 40299140, 80598280, 161196560]

約数ペア:

[(1, 161196560), (2, 80598280), (4, 40299140), (5, 32239312), (7, 23028080), (8, 20149570), (10, 16119656), (14, 11514040), (16, 10074785), (20, 8059828), (28, 5757020), (35, 4605616), (40, 4029914), (56, 2878510), (70, 2302808), (80, 2014957), (112, 1439255), (140, 1151404), (280, 575702), (560, 287851)]