12001220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7793}}^1$

素因数の和:7820

約数の個数: 48

約数和(自身を含む): 31425408

約数和(自身を除く): 19424188

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 7793, 15586, 31172, 38965, 54551, 77930, 85723, 109102, 155860, 171446, 218204, 272755, 342892, 428615, 545510, 600061, 857230, 1091020, 1200122, 1714460, 2400244, 3000305, 6000610, 12001220]

約数ペア:

[(1, 12001220), (2, 6000610), (4, 3000305), (5, 2400244), (7, 1714460), (10, 1200122), (11, 1091020), (14, 857230), (20, 600061), (22, 545510), (28, 428615), (35, 342892), (44, 272755), (55, 218204), (70, 171446), (77, 155860), (110, 109102), (140, 85723), (154, 77930), (220, 54551), (308, 38965), (385, 31172), (770, 15586), (1540, 7793)]