1881440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1069}}^1$

素因数の和:1095

約数の個数: 48

約数和(自身を含む): 4853520

約数和(自身を除く): 2972080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1069, 1760, 2138, 4276, 5345, 8552, 10690, 11759, 17104, 21380, 23518, 34208, 42760, 47036, 58795, 85520, 94072, 117590, 171040, 188144, 235180, 376288, 470360, 940720, 1881440]

約数ペア:

[(1, 1881440), (2, 940720), (4, 470360), (5, 376288), (8, 235180), (10, 188144), (11, 171040), (16, 117590), (20, 94072), (22, 85520), (32, 58795), (40, 47036), (44, 42760), (55, 34208), (80, 23518), (88, 21380), (110, 17104), (160, 11759), (176, 10690), (220, 8552), (352, 5345), (440, 4276), (880, 2138), (1069, 1760)]