66762920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{238439}}^1$

素因数の和:238457

約数の個数: 32

約数和(自身を含む): 171676800

約数和(自身を除く): 104913880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 238439, 476878, 953756, 1192195, 1669073, 1907512, 2384390, 3338146, 4768780, 6676292, 8345365, 9537560, 13352584, 16690730, 33381460, 66762920]

約数ペア:

[(1, 66762920), (2, 33381460), (4, 16690730), (5, 13352584), (7, 9537560), (8, 8345365), (10, 6676292), (14, 4768780), (20, 3338146), (28, 2384390), (35, 1907512), (40, 1669073), (56, 1192195), (70, 953756), (140, 476878), (280, 238439)]