18817440

素因数分解:

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

素因数の和:414

約数の個数: 96

約数和(自身を含む): 59875200

約数和(自身を除く): 41057760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 197, 199, 240, 394, 398, 480, 591, 597, 788, 796, 985, 995, 1182, 1194, 1576, 1592, 1970, 1990, 2364, 2388, 2955, 2985, 3152, 3184, 3940, 3980, 4728, 4776, 5910, 5970, 6304, 6368, 7880, 7960, 9456, 9552, 11820, 11940, 15760, 15920, 18912, 19104, 23640, 23880, 31520, 31840, 39203, 47280, 47760, 78406, 94560, 95520, 117609, 156812, 196015, 235218, 313624, 392030, 470436, 588045, 627248, 784060, 940872, 1176090, 1254496, 1568120, 1881744, 2352180, 3136240, 3763488, 4704360, 6272480, 9408720, 18817440]

約数ペア:

[(1, 18817440), (2, 9408720), (3, 6272480), (4, 4704360), (5, 3763488), (6, 3136240), (8, 2352180), (10, 1881744), (12, 1568120), (15, 1254496), (16, 1176090), (20, 940872), (24, 784060), (30, 627248), (32, 588045), (40, 470436), (48, 392030), (60, 313624), (80, 235218), (96, 196015), (120, 156812), (160, 117609), (197, 95520), (199, 94560), (240, 78406), (394, 47760), (398, 47280), (480, 39203), (591, 31840), (597, 31520), (788, 23880), (796, 23640), (985, 19104), (995, 18912), (1182, 15920), (1194, 15760), (1576, 11940), (1592, 11820), (1970, 9552), (1990, 9456), (2364, 7960), (2388, 7880), (2955, 6368), (2985, 6304), (3152, 5970), (3184, 5910), (3940, 4776), (3980, 4728)]