12378780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{68771}}^1$

素因数の和:68786

約数の個数: 36

約数和(自身を含む): 37549512

約数和(自身を除く): 25170732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 68771, 137542, 206313, 275084, 343855, 412626, 618939, 687710, 825252, 1031565, 1237878, 1375420, 2063130, 2475756, 3094695, 4126260, 6189390, 12378780]

約数ペア:

[(1, 12378780), (2, 6189390), (3, 4126260), (4, 3094695), (5, 2475756), (6, 2063130), (9, 1375420), (10, 1237878), (12, 1031565), (15, 825252), (18, 687710), (20, 618939), (30, 412626), (36, 343855), (45, 275084), (60, 206313), (90, 137542), (180, 68771)]