156168640

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4561}}^1$

素因数の和:4685

約数の個数: 56

約数和(自身を含む): 375434352

約数和(自身を除く): 219265712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 856, 1070, 1712, 2140, 3424, 4280, 4561, 6848, 8560, 9122, 17120, 18244, 22805, 34240, 36488, 45610, 72976, 91220, 145952, 182440, 291904, 364880, 488027, 729760, 976054, 1459520, 1952108, 2440135, 3904216, 4880270, 7808432, 9760540, 15616864, 19521080, 31233728, 39042160, 78084320, 156168640]

約数ペア:

[(1, 156168640), (2, 78084320), (4, 39042160), (5, 31233728), (8, 19521080), (10, 15616864), (16, 9760540), (20, 7808432), (32, 4880270), (40, 3904216), (64, 2440135), (80, 1952108), (107, 1459520), (160, 976054), (214, 729760), (320, 488027), (428, 364880), (535, 291904), (856, 182440), (1070, 145952), (1712, 91220), (2140, 72976), (3424, 45610), (4280, 36488), (4561, 34240), (6848, 22805), (8560, 18244), (9122, 17120)]