121081520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{216217}}^1$

素因数の和:216237

約数の個数: 40

約数和(自身を含む): 321732384

約数和(自身を除く): 200650864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 216217, 432434, 864868, 1081085, 1513519, 1729736, 2162170, 3027038, 3459472, 4324340, 6054076, 7567595, 8648680, 12108152, 15135190, 17297360, 24216304, 30270380, 60540760, 121081520]

約数ペア:

[(1, 121081520), (2, 60540760), (4, 30270380), (5, 24216304), (7, 17297360), (8, 15135190), (10, 12108152), (14, 8648680), (16, 7567595), (20, 6054076), (28, 4324340), (35, 3459472), (40, 3027038), (56, 2162170), (70, 1729736), (80, 1513519), (112, 1081085), (140, 864868), (280, 432434), (560, 216217)]