157961320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359003}}^1$

素因数の和:359025

約数の個数: 32

約数和(自身を含む): 387724320

約数和(自身を除く): 229763000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 359003, 718006, 1436012, 1795015, 2872024, 3590030, 3949033, 7180060, 7898066, 14360120, 15796132, 19745165, 31592264, 39490330, 78980660, 157961320]

約数ペア:

[(1, 157961320), (2, 78980660), (4, 39490330), (5, 31592264), (8, 19745165), (10, 15796132), (11, 14360120), (20, 7898066), (22, 7180060), (40, 3949033), (44, 3590030), (55, 2872024), (88, 1795015), (110, 1436012), (220, 718006), (440, 359003)]