64072620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{39551}}^1$

素因数の和:39572

約数の個数: 60

約数和(自身を含む): 201003264

約数和(自身を除く): 136930644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 39551, 79102, 118653, 158204, 197755, 237306, 355959, 395510, 474612, 593265, 711918, 791020, 1067877, 1186530, 1423836, 1779795, 2135754, 2373060, 3203631, 3559590, 4271508, 5339385, 6407262, 7119180, 10678770, 12814524, 16018155, 21357540, 32036310, 64072620]

約数ペア:

[(1, 64072620), (2, 32036310), (3, 21357540), (4, 16018155), (5, 12814524), (6, 10678770), (9, 7119180), (10, 6407262), (12, 5339385), (15, 4271508), (18, 3559590), (20, 3203631), (27, 2373060), (30, 2135754), (36, 1779795), (45, 1423836), (54, 1186530), (60, 1067877), (81, 791020), (90, 711918), (108, 593265), (135, 474612), (162, 395510), (180, 355959), (270, 237306), (324, 197755), (405, 158204), (540, 118653), (810, 79102), (1620, 39551)]