209715240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8609}}^1$

素因数の和:8659

約数の個数: 128

約数和(自身を含む): 743904000

約数和(自身を除く): 534188760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1624, 1740, 2030, 2436, 3045, 3480, 4060, 4872, 6090, 8120, 8609, 12180, 17218, 24360, 25827, 34436, 43045, 51654, 60263, 68872, 86090, 103308, 120526, 129135, 172180, 180789, 206616, 241052, 249661, 258270, 301315, 344360, 361578, 482104, 499322, 516540, 602630, 723156, 748983, 903945, 998644, 1033080, 1205260, 1248305, 1446312, 1497966, 1747627, 1807890, 1997288, 2410520, 2496610, 2995932, 3495254, 3615780, 3744915, 4993220, 5242881, 5991864, 6990508, 7231560, 7489830, 8738135, 9986440, 10485762, 13981016, 14979660, 17476270, 20971524, 26214405, 29959320, 34952540, 41943048, 52428810, 69905080, 104857620, 209715240]

約数ペア:

[(1, 209715240), (2, 104857620), (3, 69905080), (4, 52428810), (5, 41943048), (6, 34952540), (7, 29959320), (8, 26214405), (10, 20971524), (12, 17476270), (14, 14979660), (15, 13981016), (20, 10485762), (21, 9986440), (24, 8738135), (28, 7489830), (29, 7231560), (30, 6990508), (35, 5991864), (40, 5242881), (42, 4993220), (56, 3744915), (58, 3615780), (60, 3495254), (70, 2995932), (84, 2496610), (87, 2410520), (105, 1997288), (116, 1807890), (120, 1747627), (140, 1497966), (145, 1446312), (168, 1248305), (174, 1205260), (203, 1033080), (210, 998644), (232, 903945), (280, 748983), (290, 723156), (348, 602630), (406, 516540), (420, 499322), (435, 482104), (580, 361578), (609, 344360), (696, 301315), (812, 258270), (840, 249661), (870, 241052), (1015, 206616), (1160, 180789), (1218, 172180), (1624, 129135), (1740, 120526), (2030, 103308), (2436, 86090), (3045, 68872), (3480, 60263), (4060, 51654), (4872, 43045), (6090, 34436), (8120, 25827), (8609, 24360), (12180, 17218)]