28348020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157489}}^1$

素因数の和:157504

約数の個数: 36

約数和(自身を含む): 85989540

約数和(自身を除く): 57641520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157489, 314978, 472467, 629956, 787445, 944934, 1417401, 1574890, 1889868, 2362335, 2834802, 3149780, 4724670, 5669604, 7087005, 9449340, 14174010, 28348020]

約数ペア:

[(1, 28348020), (2, 14174010), (3, 9449340), (4, 7087005), (5, 5669604), (6, 4724670), (9, 3149780), (10, 2834802), (12, 2362335), (15, 1889868), (18, 1574890), (20, 1417401), (30, 944934), (36, 787445), (45, 629956), (60, 472467), (90, 314978), (180, 157489)]