15078380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 32931360

約数和(自身を除く): 17852980

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 197, 215, 356, 394, 430, 445, 788, 860, 890, 985, 1780, 1970, 3827, 3940, 7654, 8471, 15308, 16942, 17533, 19135, 33884, 35066, 38270, 42355, 70132, 76540, 84710, 87665, 169420, 175330, 350660, 753919, 1507838, 3015676, 3769595, 7539190, 15078380]

約数ペア:

[(1, 15078380), (2, 7539190), (4, 3769595), (5, 3015676), (10, 1507838), (20, 753919), (43, 350660), (86, 175330), (89, 169420), (172, 87665), (178, 84710), (197, 76540), (215, 70132), (356, 42355), (394, 38270), (430, 35066), (445, 33884), (788, 19135), (860, 17533), (890, 16942), (985, 15308), (1780, 8471), (1970, 7654), (3827, 3940)]