131668020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{66499}}^1$

素因数の和:66525

約数の個数: 72

約数和(自身を含む): 435708000

約数和(自身を除く): 304039980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 66499, 132998, 199497, 265996, 332495, 398994, 598491, 664990, 731489, 797988, 997485, 1196982, 1329980, 1462978, 1994970, 2194467, 2393964, 2925956, 2992455, 3657445, 3989940, 4388934, 5984910, 6583401, 7314890, 8777868, 10972335, 11969820, 13166802, 14629780, 21944670, 26333604, 32917005, 43889340, 65834010, 131668020]

約数ペア:

[(1, 131668020), (2, 65834010), (3, 43889340), (4, 32917005), (5, 26333604), (6, 21944670), (9, 14629780), (10, 13166802), (11, 11969820), (12, 10972335), (15, 8777868), (18, 7314890), (20, 6583401), (22, 5984910), (30, 4388934), (33, 3989940), (36, 3657445), (44, 2992455), (45, 2925956), (55, 2393964), (60, 2194467), (66, 1994970), (90, 1462978), (99, 1329980), (110, 1196982), (132, 997485), (165, 797988), (180, 731489), (198, 664990), (220, 598491), (330, 398994), (396, 332495), (495, 265996), (660, 199497), (990, 132998), (1980, 66499)]