66820740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{159097}}^1$

素因数の和:159116

約数の個数: 48

約数和(自身を含む): 213827712

約数和(自身を除く): 147006972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 159097, 318194, 477291, 636388, 795485, 954582, 1113679, 1590970, 1909164, 2227358, 2386455, 3181940, 3341037, 4454716, 4772910, 5568395, 6682074, 9545820, 11136790, 13364148, 16705185, 22273580, 33410370, 66820740]

約数ペア:

[(1, 66820740), (2, 33410370), (3, 22273580), (4, 16705185), (5, 13364148), (6, 11136790), (7, 9545820), (10, 6682074), (12, 5568395), (14, 4772910), (15, 4454716), (20, 3341037), (21, 3181940), (28, 2386455), (30, 2227358), (35, 1909164), (42, 1590970), (60, 1113679), (70, 954582), (84, 795485), (105, 636388), (140, 477291), (210, 318194), (420, 159097)]