1380420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{7669}}^1$

素因数の和:7684

約数の個数: 36

約数和(自身を含む): 4187820

約数和(自身を除く): 2807400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 7669, 15338, 23007, 30676, 38345, 46014, 69021, 76690, 92028, 115035, 138042, 153380, 230070, 276084, 345105, 460140, 690210, 1380420]

約数ペア:

[(1, 1380420), (2, 690210), (3, 460140), (4, 345105), (5, 276084), (6, 230070), (9, 153380), (10, 138042), (12, 115035), (15, 92028), (18, 76690), (20, 69021), (30, 46014), (36, 38345), (45, 30676), (60, 23007), (90, 15338), (180, 7669)]