1288219980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21470333}}^1$

素因数の和:21470345

約数の個数: 24

約数和(自身を含む): 3607016112

約数和(自身を除く): 2318796132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21470333, 42940666, 64410999, 85881332, 107351665, 128821998, 214703330, 257643996, 322054995, 429406660, 644109990, 1288219980]

約数ペア:

[(1, 1288219980), (2, 644109990), (3, 429406660), (4, 322054995), (5, 257643996), (6, 214703330), (10, 128821998), (12, 107351665), (15, 85881332), (20, 64410999), (30, 42940666), (60, 21470333)]