144744640

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2273}}^1$

素因数の和:2489

約数の個数: 56

約数和(自身を含む): 346557600

約数和(自身を除く): 201812960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1592, 1990, 2273, 3184, 3980, 4546, 6368, 7960, 9092, 11365, 12736, 15920, 18184, 22730, 31840, 36368, 45460, 63680, 72736, 90920, 145472, 181840, 363680, 452327, 727360, 904654, 1809308, 2261635, 3618616, 4523270, 7237232, 9046540, 14474464, 18093080, 28948928, 36186160, 72372320, 144744640]

約数ペア:

[(1, 144744640), (2, 72372320), (4, 36186160), (5, 28948928), (8, 18093080), (10, 14474464), (16, 9046540), (20, 7237232), (32, 4523270), (40, 3618616), (64, 2261635), (80, 1809308), (160, 904654), (199, 727360), (320, 452327), (398, 363680), (796, 181840), (995, 145472), (1592, 90920), (1990, 72736), (2273, 63680), (3184, 45460), (3980, 36368), (4546, 31840), (6368, 22730), (7960, 18184), (9092, 15920), (11365, 12736)]