1260805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 1983744

約数和(自身を除く): 722939

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 163, 221, 455, 595, 815, 1105, 1141, 1547, 2119, 2771, 5705, 7735, 10595, 13855, 14833, 19397, 36023, 74165, 96985, 180115, 252161, 1260805]

約数ペア:

[(1, 1260805), (5, 252161), (7, 180115), (13, 96985), (17, 74165), (35, 36023), (65, 19397), (85, 14833), (91, 13855), (119, 10595), (163, 7735), (221, 5705), (455, 2771), (595, 2119), (815, 1547), (1105, 1141)]