80403855

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 150917760

約数和(自身を除く): 70513905

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 139, 147, 245, 417, 695, 735, 787, 973, 2085, 2361, 2919, 3935, 4865, 5509, 6811, 11805, 14595, 16527, 20433, 27545, 34055, 38563, 82635, 102165, 109393, 115689, 192815, 328179, 546965, 578445, 765751, 1640895, 2297253, 3828755, 5360257, 11486265, 16080771, 26801285, 80403855]

約数ペア:

[(1, 80403855), (3, 26801285), (5, 16080771), (7, 11486265), (15, 5360257), (21, 3828755), (35, 2297253), (49, 1640895), (105, 765751), (139, 578445), (147, 546965), (245, 328179), (417, 192815), (695, 115689), (735, 109393), (787, 102165), (973, 82635), (2085, 38563), (2361, 34055), (2919, 27545), (3935, 20433), (4865, 16527), (5509, 14595), (6811, 11805)]