1089990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 3179520

約数和(自身を除く): 2089530

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 367, 495, 594, 734, 990, 1101, 1485, 1835, 2202, 2970, 3303, 3670, 4037, 5505, 6606, 8074, 9909, 11010, 12111, 16515, 19818, 20185, 24222, 33030, 36333, 40370, 49545, 60555, 72666, 99090, 108999, 121110, 181665, 217998, 363330, 544995, 1089990]

約数ペア:

[(1, 1089990), (2, 544995), (3, 363330), (5, 217998), (6, 181665), (9, 121110), (10, 108999), (11, 99090), (15, 72666), (18, 60555), (22, 49545), (27, 40370), (30, 36333), (33, 33030), (45, 24222), (54, 20185), (55, 19818), (66, 16515), (90, 12111), (99, 11010), (110, 9909), (135, 8074), (165, 6606), (198, 5505), (270, 4037), (297, 3670), (330, 3303), (367, 2970), (495, 2202), (594, 1835), (734, 1485), (990, 1101)]