128144660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{1291}}^1$

素因数の和:2016

約数の個数: 48

約数和(自身を含む): 308219520

約数和(自身を除く): 180074860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 709, 1291, 1418, 2582, 2836, 3545, 4963, 5164, 6455, 7090, 9037, 9926, 12910, 14180, 18074, 19852, 24815, 25820, 36148, 45185, 49630, 90370, 99260, 180740, 915319, 1830638, 3661276, 4576595, 6407233, 9153190, 12814466, 18306380, 25628932, 32036165, 64072330, 128144660]

約数ペア:

[(1, 128144660), (2, 64072330), (4, 32036165), (5, 25628932), (7, 18306380), (10, 12814466), (14, 9153190), (20, 6407233), (28, 4576595), (35, 3661276), (70, 1830638), (140, 915319), (709, 180740), (1291, 99260), (1418, 90370), (2582, 49630), (2836, 45185), (3545, 36148), (4963, 25820), (5164, 24815), (6455, 19852), (7090, 18074), (9037, 14180), (9926, 12910)]