208938240

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{2591}}^1$

素因数の和:2625

約数の個数: 216

約数和(自身を含む): 826495488

約数和(自身を除く): 617557248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2591, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5182, 5376, 5760, 6720, 7773, 8064, 8960, 10080, 10364, 11520, 12955, 13440, 15546, 16128, 18137, 20160, 20728, 23319, 25910, 26880, 31092, 36274, 38865, 40320, 41456, 46638, 51820, 54411, 62184, 72548, 77730, 80640, 82912, 90685, 93276, 103640, 108822, 116595, 124368, 145096, 155460, 163233, 165824, 181370, 186552, 207280, 217644, 233190, 248736, 272055, 290192, 310920, 326466, 331648, 362740, 373104, 414560, 435288, 466380, 497472, 544110, 580384, 621840, 652932, 663296, 725480, 746208, 816165, 829120, 870576, 932760, 994944, 1088220, 1160768, 1243680, 1305864, 1450960, 1492416, 1632330, 1658240, 1741152, 1865520, 1989888, 2176440, 2321536, 2487360, 2611728, 2901920, 2984832, 3264660, 3316480, 3482304, 3731040, 4352880, 4643072, 4974720, 5223456, 5803840, 5969664, 6529320, 6964608, 7462080, 8705760, 9949440, 10446912, 11607680, 13058640, 13929216, 14924160, 17411520, 20893824, 23215360, 26117280, 29848320, 34823040, 41787648, 52234560, 69646080, 104469120, 208938240]

約数ペア:

[(1, 208938240), (2, 104469120), (3, 69646080), (4, 52234560), (5, 41787648), (6, 34823040), (7, 29848320), (8, 26117280), (9, 23215360), (10, 20893824), (12, 17411520), (14, 14924160), (15, 13929216), (16, 13058640), (18, 11607680), (20, 10446912), (21, 9949440), (24, 8705760), (28, 7462080), (30, 6964608), (32, 6529320), (35, 5969664), (36, 5803840), (40, 5223456), (42, 4974720), (45, 4643072), (48, 4352880), (56, 3731040), (60, 3482304), (63, 3316480), (64, 3264660), (70, 2984832), (72, 2901920), (80, 2611728), (84, 2487360), (90, 2321536), (96, 2176440), (105, 1989888), (112, 1865520), (120, 1741152), (126, 1658240), (128, 1632330), (140, 1492416), (144, 1450960), (160, 1305864), (168, 1243680), (180, 1160768), (192, 1088220), (210, 994944), (224, 932760), (240, 870576), (252, 829120), (256, 816165), (280, 746208), (288, 725480), (315, 663296), (320, 652932), (336, 621840), (360, 580384), (384, 544110), (420, 497472), (448, 466380), (480, 435288), (504, 414560), (560, 373104), (576, 362740), (630, 331648), (640, 326466), (672, 310920), (720, 290192), (768, 272055), (840, 248736), (896, 233190), (960, 217644), (1008, 207280), (1120, 186552), (1152, 181370), (1260, 165824), (1280, 163233), (1344, 155460), (1440, 145096), (1680, 124368), (1792, 116595), (1920, 108822), (2016, 103640), (2240, 93276), (2304, 90685), (2520, 82912), (2591, 80640), (2688, 77730), (2880, 72548), (3360, 62184), (3840, 54411), (4032, 51820), (4480, 46638), (5040, 41456), (5182, 40320), (5376, 38865), (5760, 36274), (6720, 31092), (7773, 26880), (8064, 25910), (8960, 23319), (10080, 20728), (10364, 20160), (11520, 18137), (12955, 16128), (13440, 15546)]