180868105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2467}}^1$

素因数の和:2557

約数の個数: 32

約数和(自身を含む): 250195968

約数和(自身を除く): 69327863

約数列:

[1, 5, 11, 31, 43, 55, 155, 215, 341, 473, 1333, 1705, 2365, 2467, 6665, 12335, 14663, 27137, 73315, 76477, 106081, 135685, 382385, 530405, 841247, 1166891, 3288511, 4206235, 5834455, 16442555, 36173621, 180868105]

約数ペア:

[(1, 180868105), (5, 36173621), (11, 16442555), (31, 5834455), (43, 4206235), (55, 3288511), (155, 1166891), (215, 841247), (341, 530405), (473, 382385), (1333, 135685), (1705, 106081), (2365, 76477), (2467, 73315), (6665, 27137), (12335, 14663)]