68257840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121889}}^1$

素因数の和:121909

約数の個数: 40

約数和(自身を含む): 181372320

約数和(自身を除く): 113114480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121889, 243778, 487556, 609445, 853223, 975112, 1218890, 1706446, 1950224, 2437780, 3412892, 4266115, 4875560, 6825784, 8532230, 9751120, 13651568, 17064460, 34128920, 68257840]

約数ペア:

[(1, 68257840), (2, 34128920), (4, 17064460), (5, 13651568), (7, 9751120), (8, 8532230), (10, 6825784), (14, 4875560), (16, 4266115), (20, 3412892), (28, 2437780), (35, 1950224), (40, 1706446), (56, 1218890), (70, 975112), (80, 853223), (112, 609445), (140, 487556), (280, 243778), (560, 121889)]