18887040

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1093}}^1$

素因数の和:1121

約数の個数: 128

約数和(自身を含む): 66952800

約数和(自身を除く): 48065760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1093, 1152, 1440, 1728, 1920, 2160, 2186, 2880, 3279, 3456, 4320, 4372, 5465, 5760, 6558, 8640, 8744, 9837, 10930, 13116, 16395, 17280, 17488, 19674, 21860, 26232, 29511, 32790, 34976, 39348, 43720, 49185, 52464, 59022, 65580, 69952, 78696, 87440, 98370, 104928, 118044, 131160, 139904, 147555, 157392, 174880, 196740, 209856, 236088, 262320, 295110, 314784, 349760, 393480, 419712, 472176, 524640, 590220, 629568, 699520, 786960, 944352, 1049280, 1180440, 1259136, 1573920, 1888704, 2098560, 2360880, 3147840, 3777408, 4721760, 6295680, 9443520, 18887040]

約数ペア:

[(1, 18887040), (2, 9443520), (3, 6295680), (4, 4721760), (5, 3777408), (6, 3147840), (8, 2360880), (9, 2098560), (10, 1888704), (12, 1573920), (15, 1259136), (16, 1180440), (18, 1049280), (20, 944352), (24, 786960), (27, 699520), (30, 629568), (32, 590220), (36, 524640), (40, 472176), (45, 419712), (48, 393480), (54, 349760), (60, 314784), (64, 295110), (72, 262320), (80, 236088), (90, 209856), (96, 196740), (108, 174880), (120, 157392), (128, 147555), (135, 139904), (144, 131160), (160, 118044), (180, 104928), (192, 98370), (216, 87440), (240, 78696), (270, 69952), (288, 65580), (320, 59022), (360, 52464), (384, 49185), (432, 43720), (480, 39348), (540, 34976), (576, 32790), (640, 29511), (720, 26232), (864, 21860), (960, 19674), (1080, 17488), (1093, 17280), (1152, 16395), (1440, 13116), (1728, 10930), (1920, 9837), (2160, 8744), (2186, 8640), (2880, 6558), (3279, 5760), (3456, 5465), (4320, 4372)]