68601680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{122503}}^1$

素因数の和:122523

約数の個数: 40

約数和(自身を含む): 182285952

約数和(自身を除く): 113684272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 122503, 245006, 490012, 612515, 857521, 980024, 1225030, 1715042, 1960048, 2450060, 3430084, 4287605, 4900120, 6860168, 8575210, 9800240, 13720336, 17150420, 34300840, 68601680]

約数ペア:

[(1, 68601680), (2, 34300840), (4, 17150420), (5, 13720336), (7, 9800240), (8, 8575210), (10, 6860168), (14, 4900120), (16, 4287605), (20, 3430084), (28, 2450060), (35, 1960048), (40, 1715042), (56, 1225030), (70, 980024), (80, 857521), (112, 612515), (140, 490012), (280, 245006), (560, 122503)]