12387420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{68819}}^1$

素因数の和:68834

約数の個数: 36

約数和(自身を含む): 37575720

約数和(自身を除く): 25188300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 68819, 137638, 206457, 275276, 344095, 412914, 619371, 688190, 825828, 1032285, 1238742, 1376380, 2064570, 2477484, 3096855, 4129140, 6193710, 12387420]

約数ペア:

[(1, 12387420), (2, 6193710), (3, 4129140), (4, 3096855), (5, 2477484), (6, 2064570), (9, 1376380), (10, 1238742), (12, 1032285), (15, 825828), (18, 688190), (20, 619371), (30, 412914), (36, 344095), (45, 275276), (60, 206457), (90, 137638), (180, 68819)]