81113565540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{193127537}}^1$

素因数の和:193127556

約数の個数: 48

約数和(自身を含む): 259563411072

約数和(自身を除く): 178449845532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 193127537, 386255074, 579382611, 772510148, 965637685, 1158765222, 1351892759, 1931275370, 2317530444, 2703785518, 2896913055, 3862550740, 4055678277, 5407571036, 5793826110, 6759463795, 8111356554, 11587652220, 13518927590, 16222713108, 20278391385, 27037855180, 40556782770, 81113565540]

約数ペア:

[(1, 81113565540), (2, 40556782770), (3, 27037855180), (4, 20278391385), (5, 16222713108), (6, 13518927590), (7, 11587652220), (10, 8111356554), (12, 6759463795), (14, 5793826110), (15, 5407571036), (20, 4055678277), (21, 3862550740), (28, 2896913055), (30, 2703785518), (35, 2317530444), (42, 1931275370), (60, 1351892759), (70, 1158765222), (84, 965637685), (105, 772510148), (140, 579382611), (210, 386255074), (420, 193127537)]