2147940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11933}}^1$

素因数の和:11948

約数の個数: 36

約数和(自身を含む): 6515964

約数和(自身を除く): 4368024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 11933, 23866, 35799, 47732, 59665, 71598, 107397, 119330, 143196, 178995, 214794, 238660, 357990, 429588, 536985, 715980, 1073970, 2147940]

約数ペア:

[(1, 2147940), (2, 1073970), (3, 715980), (4, 536985), (5, 429588), (6, 357990), (9, 238660), (10, 214794), (12, 178995), (15, 143196), (18, 119330), (20, 107397), (30, 71598), (36, 59665), (45, 47732), (60, 35799), (90, 23866), (180, 11933)]