209544480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{145517}}^1$

素因数の和:145538

約数の個数: 72

約数和(自身を含む): 715075452

約数和(自身を除く): 505530972

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 145517, 291034, 436551, 582068, 727585, 873102, 1164136, 1309653, 1455170, 1746204, 2182755, 2328272, 2619306, 2910340, 3492408, 4365510, 4656544, 5238612, 5820680, 6548265, 6984816, 8731020, 10477224, 11641360, 13096530, 13969632, 17462040, 20954448, 23282720, 26193060, 34924080, 41908896, 52386120, 69848160, 104772240, 209544480]

約数ペア:

[(1, 209544480), (2, 104772240), (3, 69848160), (4, 52386120), (5, 41908896), (6, 34924080), (8, 26193060), (9, 23282720), (10, 20954448), (12, 17462040), (15, 13969632), (16, 13096530), (18, 11641360), (20, 10477224), (24, 8731020), (30, 6984816), (32, 6548265), (36, 5820680), (40, 5238612), (45, 4656544), (48, 4365510), (60, 3492408), (72, 2910340), (80, 2619306), (90, 2328272), (96, 2182755), (120, 1746204), (144, 1455170), (160, 1309653), (180, 1164136), (240, 873102), (288, 727585), (360, 582068), (480, 436551), (720, 291034), (1440, 145517)]