1270280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2887}}^1$

素因数の和:2909

約数の個数: 32

約数和(自身を含む): 3119040

約数和(自身を除く): 1848760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2887, 5774, 11548, 14435, 23096, 28870, 31757, 57740, 63514, 115480, 127028, 158785, 254056, 317570, 635140, 1270280]

約数ペア:

[(1, 1270280), (2, 635140), (4, 317570), (5, 254056), (8, 158785), (10, 127028), (11, 115480), (20, 63514), (22, 57740), (40, 31757), (44, 28870), (55, 23096), (88, 14435), (110, 11548), (220, 5774), (440, 2887)]