66713080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{238261}}^1$

素因数の和:238279

約数の個数: 32

約数和(自身を含む): 171548640

約数和(自身を除く): 104835560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 238261, 476522, 953044, 1191305, 1667827, 1906088, 2382610, 3335654, 4765220, 6671308, 8339135, 9530440, 13342616, 16678270, 33356540, 66713080]

約数ペア:

[(1, 66713080), (2, 33356540), (4, 16678270), (5, 13342616), (7, 9530440), (8, 8339135), (10, 6671308), (14, 4765220), (20, 3335654), (28, 2382610), (35, 1906088), (40, 1667827), (56, 1191305), (70, 953044), (140, 476522), (280, 238261)]