128001780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{711121}}^1$

素因数の和:711136

約数の個数: 36

約数和(自身を含む): 388272612

約数和(自身を除く): 260270832

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 711121, 1422242, 2133363, 2844484, 3555605, 4266726, 6400089, 7111210, 8533452, 10666815, 12800178, 14222420, 21333630, 25600356, 32000445, 42667260, 64000890, 128001780]

約数ペア:

[(1, 128001780), (2, 64000890), (3, 42667260), (4, 32000445), (5, 25600356), (6, 21333630), (9, 14222420), (10, 12800178), (12, 10666815), (15, 8533452), (18, 7111210), (20, 6400089), (30, 4266726), (36, 3555605), (45, 2844484), (60, 2133363), (90, 1422242), (180, 711121)]