1320656475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{691}}^1\times {\mathrm{1499}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 2316816000

約数和(自身を除く): 996159525

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 691, 1275, 1499, 2073, 3455, 4497, 7495, 10365, 11747, 17275, 22485, 25483, 35241, 37475, 51825, 58735, 76449, 112425, 127415, 176205, 293675, 382245, 637075, 881025, 1035809, 1911225, 3107427, 5179045, 15537135, 17608753, 25895225, 52826259, 77685675, 88043765, 264131295, 440218825, 1320656475]

約数ペア:

[(1, 1320656475), (3, 440218825), (5, 264131295), (15, 88043765), (17, 77685675), (25, 52826259), (51, 25895225), (75, 17608753), (85, 15537135), (255, 5179045), (425, 3107427), (691, 1911225), (1275, 1035809), (1499, 881025), (2073, 637075), (3455, 382245), (4497, 293675), (7495, 176205), (10365, 127415), (11747, 112425), (17275, 76449), (22485, 58735), (25483, 51825), (35241, 37475)]