81803120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{146077}}^1$

素因数の和:146097

約数の個数: 40

約数和(自身を含む): 217364064

約数和(自身を除く): 135560944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 146077, 292154, 584308, 730385, 1022539, 1168616, 1460770, 2045078, 2337232, 2921540, 4090156, 5112695, 5843080, 8180312, 10225390, 11686160, 16360624, 20450780, 40901560, 81803120]

約数ペア:

[(1, 81803120), (2, 40901560), (4, 20450780), (5, 16360624), (7, 11686160), (8, 10225390), (10, 8180312), (14, 5843080), (16, 5112695), (20, 4090156), (28, 2921540), (35, 2337232), (40, 2045078), (56, 1460770), (70, 1168616), (80, 1022539), (112, 730385), (140, 584308), (280, 292154), (560, 146077)]