122920240

素因数分解:

$2^4\times 5^1\times {\mathrm{719}}^1\times {\mathrm{2137}}^1$

素因数の和:2869

約数の個数: 40

約数和(自身を含む): 286320960

約数和(自身を除く): 163400720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 719, 1438, 2137, 2876, 3595, 4274, 5752, 7190, 8548, 10685, 11504, 14380, 17096, 21370, 28760, 34192, 42740, 57520, 85480, 170960, 1536503, 3073006, 6146012, 7682515, 12292024, 15365030, 24584048, 30730060, 61460120, 122920240]

約数ペア:

[(1, 122920240), (2, 61460120), (4, 30730060), (5, 24584048), (8, 15365030), (10, 12292024), (16, 7682515), (20, 6146012), (40, 3073006), (80, 1536503), (719, 170960), (1438, 85480), (2137, 57520), (2876, 42740), (3595, 34192), (4274, 28760), (5752, 21370), (7190, 17096), (8548, 14380), (10685, 11504)]