68537840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{122389}}^1$

素因数の和:122409

約数の個数: 40

約数和(自身を含む): 182116320

約数和(自身を除く): 113578480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 122389, 244778, 489556, 611945, 856723, 979112, 1223890, 1713446, 1958224, 2447780, 3426892, 4283615, 4895560, 6853784, 8567230, 9791120, 13707568, 17134460, 34268920, 68537840]

約数ペア:

[(1, 68537840), (2, 34268920), (4, 17134460), (5, 13707568), (7, 9791120), (8, 8567230), (10, 6853784), (14, 4895560), (16, 4283615), (20, 3426892), (28, 2447780), (35, 1958224), (40, 1713446), (56, 1223890), (70, 979112), (80, 856723), (112, 611945), (140, 489556), (280, 244778), (560, 122389)]