152820920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{545789}}^1$

素因数の和:545807

約数の個数: 32

約数和(自身を含む): 392968800

約数和(自身を除く): 240147880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 545789, 1091578, 2183156, 2728945, 3820523, 4366312, 5457890, 7641046, 10915780, 15282092, 19102615, 21831560, 30564184, 38205230, 76410460, 152820920]

約数ペア:

[(1, 152820920), (2, 76410460), (4, 38205230), (5, 30564184), (7, 21831560), (8, 19102615), (10, 15282092), (14, 10915780), (20, 7641046), (28, 5457890), (35, 4366312), (40, 3820523), (56, 2728945), (70, 2183156), (140, 1091578), (280, 545789)]