161168560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{287801}}^1$

素因数の和:287821

約数の個数: 40

約数和(自身を含む): 428249376

約数和(自身を除く): 267080816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 287801, 575602, 1151204, 1439005, 2014607, 2302408, 2878010, 4029214, 4604816, 5756020, 8058428, 10073035, 11512040, 16116856, 20146070, 23024080, 32233712, 40292140, 80584280, 161168560]

約数ペア:

[(1, 161168560), (2, 80584280), (4, 40292140), (5, 32233712), (7, 23024080), (8, 20146070), (10, 16116856), (14, 11512040), (16, 10073035), (20, 8058428), (28, 5756020), (35, 4604816), (40, 4029214), (56, 2878010), (70, 2302408), (80, 2014607), (112, 1439005), (140, 1151204), (280, 575602), (560, 287801)]