67816720

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1931}}^1$

素因数の和:2383

約数の個数: 40

約数和(自身を含む): 158114880

約数和(自身を除く): 90298160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 1931, 2195, 3512, 3862, 4390, 7024, 7724, 8780, 9655, 15448, 17560, 19310, 30896, 35120, 38620, 77240, 154480, 847709, 1695418, 3390836, 4238545, 6781672, 8477090, 13563344, 16954180, 33908360, 67816720]

約数ペア:

[(1, 67816720), (2, 33908360), (4, 16954180), (5, 13563344), (8, 8477090), (10, 6781672), (16, 4238545), (20, 3390836), (40, 1695418), (80, 847709), (439, 154480), (878, 77240), (1756, 38620), (1931, 35120), (2195, 30896), (3512, 19310), (3862, 17560), (4390, 15448), (7024, 9655), (7724, 8780)]