68507320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{244669}}^1$

素因数の和:244687

約数の個数: 32

約数和(自身を含む): 176162400

約数和(自身を除く): 107655080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 244669, 489338, 978676, 1223345, 1712683, 1957352, 2446690, 3425366, 4893380, 6850732, 8563415, 9786760, 13701464, 17126830, 34253660, 68507320]

約数ペア:

[(1, 68507320), (2, 34253660), (4, 17126830), (5, 13701464), (7, 9786760), (8, 8563415), (10, 6850732), (14, 4893380), (20, 3425366), (28, 2446690), (35, 1957352), (40, 1712683), (56, 1223345), (70, 978676), (140, 489338), (280, 244669)]