30791840

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{863}}^1$

素因数の和:1101

約数の個数: 48

約数和(自身を含む): 73156608

約数和(自身を除く): 42364768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 863, 892, 1115, 1726, 1784, 2230, 3452, 3568, 4315, 4460, 6904, 7136, 8630, 8920, 13808, 17260, 17840, 27616, 34520, 35680, 69040, 138080, 192449, 384898, 769796, 962245, 1539592, 1924490, 3079184, 3848980, 6158368, 7697960, 15395920, 30791840]

約数ペア:

[(1, 30791840), (2, 15395920), (4, 7697960), (5, 6158368), (8, 3848980), (10, 3079184), (16, 1924490), (20, 1539592), (32, 962245), (40, 769796), (80, 384898), (160, 192449), (223, 138080), (446, 69040), (863, 35680), (892, 34520), (1115, 27616), (1726, 17840), (1784, 17260), (2230, 13808), (3452, 8920), (3568, 8630), (4315, 7136), (4460, 6904)]