15231460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 33264000

約数和(自身を除く): 18032540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 199, 215, 356, 398, 430, 445, 796, 860, 890, 995, 1780, 1990, 3827, 3980, 7654, 8557, 15308, 17114, 17711, 19135, 34228, 35422, 38270, 42785, 70844, 76540, 85570, 88555, 171140, 177110, 354220, 761573, 1523146, 3046292, 3807865, 7615730, 15231460]

約数ペア:

[(1, 15231460), (2, 7615730), (4, 3807865), (5, 3046292), (10, 1523146), (20, 761573), (43, 354220), (86, 177110), (89, 171140), (172, 88555), (178, 85570), (199, 76540), (215, 70844), (356, 42785), (398, 38270), (430, 35422), (445, 34228), (796, 19135), (860, 17711), (890, 17114), (995, 15308), (1780, 8557), (1990, 7654), (3827, 3980)]