78621060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187193}}^1$

素因数の和:187212

約数の個数: 48

約数和(自身を含む): 251588736

約数和(自身を除く): 172967676

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, 187193, 374386, 561579, 748772, 935965, 1123158, 1310351, 1871930, 2246316, 2620702, 2807895, 3743860, 3931053, 5241404, 5615790, 6551755, 7862106, 11231580, 13103510, 15724212, 19655265, 26207020, 39310530, 78621060]

約数ペア:

[(1, 78621060), (2, 39310530), (3, 26207020), (4, 19655265), (5, 15724212), (6, 13103510), (7, 11231580), (10, 7862106), (12, 6551755), (14, 5615790), (15, 5241404), (20, 3931053), (21, 3743860), (28, 2807895), (30, 2620702), (35, 2246316), (42, 1871930), (60, 1310351), (70, 1123158), (84, 935965), (105, 748772), (140, 561579), (210, 374386), (420, 187193)]