53378820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{26959}}^1$

素因数の和:26985

約数の個数: 72

約数和(自身を含む): 176641920

約数和(自身を除く): 123263100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 26959, 53918, 80877, 107836, 134795, 161754, 242631, 269590, 296549, 323508, 404385, 485262, 539180, 593098, 808770, 889647, 970524, 1186196, 1213155, 1482745, 1617540, 1779294, 2426310, 2668941, 2965490, 3558588, 4448235, 4852620, 5337882, 5930980, 8896470, 10675764, 13344705, 17792940, 26689410, 53378820]

約数ペア:

[(1, 53378820), (2, 26689410), (3, 17792940), (4, 13344705), (5, 10675764), (6, 8896470), (9, 5930980), (10, 5337882), (11, 4852620), (12, 4448235), (15, 3558588), (18, 2965490), (20, 2668941), (22, 2426310), (30, 1779294), (33, 1617540), (36, 1482745), (44, 1213155), (45, 1186196), (55, 970524), (60, 889647), (66, 808770), (90, 593098), (99, 539180), (110, 485262), (132, 404385), (165, 323508), (180, 296549), (198, 269590), (220, 242631), (330, 161754), (396, 134795), (495, 107836), (660, 80877), (990, 53918), (1980, 26959)]