1289970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1303}}^1$

素因数の和:1327

約数の個数: 48

約数和(自身を含む): 3661632

約数和(自身を除く): 2371662

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 1303, 2606, 3909, 6515, 7818, 11727, 13030, 14333, 19545, 23454, 28666, 39090, 42999, 58635, 71665, 85998, 117270, 128997, 143330, 214995, 257994, 429990, 644985, 1289970]

約数ペア:

[(1, 1289970), (2, 644985), (3, 429990), (5, 257994), (6, 214995), (9, 143330), (10, 128997), (11, 117270), (15, 85998), (18, 71665), (22, 58635), (30, 42999), (33, 39090), (45, 28666), (55, 23454), (66, 19545), (90, 14333), (99, 13030), (110, 11727), (165, 7818), (198, 6515), (330, 3909), (495, 2606), (990, 1303)]