64768620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154211}}^1$

素因数の和:154230

約数の個数: 48

約数和(自身を含む): 207260928

約数和(自身を除く): 142492308

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, 154211, 308422, 462633, 616844, 771055, 925266, 1079477, 1542110, 1850532, 2158954, 2313165, 3084220, 3238431, 4317908, 4626330, 5397385, 6476862, 9252660, 10794770, 12953724, 16192155, 21589540, 32384310, 64768620]

約数ペア:

[(1, 64768620), (2, 32384310), (3, 21589540), (4, 16192155), (5, 12953724), (6, 10794770), (7, 9252660), (10, 6476862), (12, 5397385), (14, 4626330), (15, 4317908), (20, 3238431), (21, 3084220), (28, 2313165), (30, 2158954), (35, 1850532), (42, 1542110), (60, 1079477), (70, 925266), (84, 771055), (105, 616844), (140, 462633), (210, 308422), (420, 154211)]