28226160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 120

約数和(自身を含む): 95752800

約数和(自身を除く): 67526640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 197, 199, 240, 360, 394, 398, 591, 597, 720, 788, 796, 985, 995, 1182, 1194, 1576, 1592, 1773, 1791, 1970, 1990, 2364, 2388, 2955, 2985, 3152, 3184, 3546, 3582, 3940, 3980, 4728, 4776, 5910, 5970, 7092, 7164, 7880, 7960, 8865, 8955, 9456, 9552, 11820, 11940, 14184, 14328, 15760, 15920, 17730, 17910, 23640, 23880, 28368, 28656, 35460, 35820, 39203, 47280, 47760, 70920, 71640, 78406, 117609, 141840, 143280, 156812, 196015, 235218, 313624, 352827, 392030, 470436, 588045, 627248, 705654, 784060, 940872, 1176090, 1411308, 1568120, 1764135, 1881744, 2352180, 2822616, 3136240, 3528270, 4704360, 5645232, 7056540, 9408720, 14113080, 28226160]

約数ペア:

[(1, 28226160), (2, 14113080), (3, 9408720), (4, 7056540), (5, 5645232), (6, 4704360), (8, 3528270), (9, 3136240), (10, 2822616), (12, 2352180), (15, 1881744), (16, 1764135), (18, 1568120), (20, 1411308), (24, 1176090), (30, 940872), (36, 784060), (40, 705654), (45, 627248), (48, 588045), (60, 470436), (72, 392030), (80, 352827), (90, 313624), (120, 235218), (144, 196015), (180, 156812), (197, 143280), (199, 141840), (240, 117609), (360, 78406), (394, 71640), (398, 70920), (591, 47760), (597, 47280), (720, 39203), (788, 35820), (796, 35460), (985, 28656), (995, 28368), (1182, 23880), (1194, 23640), (1576, 17910), (1592, 17730), (1773, 15920), (1791, 15760), (1970, 14328), (1990, 14184), (2364, 11940), (2388, 11820), (2955, 9552), (2985, 9456), (3152, 8955), (3184, 8865), (3546, 7960), (3582, 7880), (3940, 7164), (3980, 7092), (4728, 5970), (4776, 5910)]