78594180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187129}}^1$

素因数の和:187148

約数の個数: 48

約数和(自身を含む): 251502720

約数和(自身を除く): 172908540

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, 187129, 374258, 561387, 748516, 935645, 1122774, 1309903, 1871290, 2245548, 2619806, 2806935, 3742580, 3929709, 5239612, 5613870, 6549515, 7859418, 11227740, 13099030, 15718836, 19648545, 26198060, 39297090, 78594180]

約数ペア:

[(1, 78594180), (2, 39297090), (3, 26198060), (4, 19648545), (5, 15718836), (6, 13099030), (7, 11227740), (10, 7859418), (12, 6549515), (14, 5613870), (15, 5239612), (20, 3929709), (21, 3742580), (28, 2806935), (30, 2619806), (35, 2245548), (42, 1871290), (60, 1309903), (70, 1122774), (84, 935645), (105, 748516), (140, 561387), (210, 374258), (420, 187129)]