2160990720

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{13399}}^1$

素因数の和:13435

約数の個数: 240

約数和(自身を含む): 8553916800

約数和(自身を除く): 6392926080

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, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8960, 10080, 10752, 11520, 13399, 13440, 16128, 17920, 20160, 23040, 26798, 26880, 32256, 40197, 40320, 53596, 53760, 66995, 80394, 80640, 93793, 107192, 120591, 133990, 160788, 161280, 187586, 200985, 214384, 241182, 267980, 281379, 321576, 375172, 401970, 428768, 468965, 482364, 535960, 562758, 602955, 643152, 750344, 803940, 844137, 857536, 937930, 964728, 1071920, 1125516, 1205910, 1286304, 1406895, 1500688, 1607880, 1688274, 1715072, 1875860, 1929456, 2143840, 2251032, 2411820, 2572608, 2813790, 3001376, 3215760, 3376548, 3430144, 3751720, 3858912, 4220685, 4287680, 4502064, 4823640, 5145216, 5627580, 6002752, 6431520, 6753096, 6860288, 7503440, 7717824, 8441370, 8575360, 9004128, 9647280, 10290432, 11255160, 12005504, 12863040, 13506192, 15006880, 15435648, 16882740, 17150720, 18008256, 19294560, 20580864, 22510320, 24011008, 25726080, 27012384, 30013760, 30871296, 33765480, 34301440, 36016512, 38589120, 45020640, 48022016, 51452160, 54024768, 60027520, 61742592, 67530960, 72033024, 77178240, 90041280, 102904320, 108049536, 120055040, 135061920, 144066048, 154356480, 180082560, 216099072, 240110080, 270123840, 308712960, 360165120, 432198144, 540247680, 720330240, 1080495360, 2160990720]

約数ペア:

[(1, 2160990720), (2, 1080495360), (3, 720330240), (4, 540247680), (5, 432198144), (6, 360165120), (7, 308712960), (8, 270123840), (9, 240110080), (10, 216099072), (12, 180082560), (14, 154356480), (15, 144066048), (16, 135061920), (18, 120055040), (20, 108049536), (21, 102904320), (24, 90041280), (28, 77178240), (30, 72033024), (32, 67530960), (35, 61742592), (36, 60027520), (40, 54024768), (42, 51452160), (45, 48022016), (48, 45020640), (56, 38589120), (60, 36016512), (63, 34301440), (64, 33765480), (70, 30871296), (72, 30013760), (80, 27012384), (84, 25726080), (90, 24011008), (96, 22510320), (105, 20580864), (112, 19294560), (120, 18008256), (126, 17150720), (128, 16882740), (140, 15435648), (144, 15006880), (160, 13506192), (168, 12863040), (180, 12005504), (192, 11255160), (210, 10290432), (224, 9647280), (240, 9004128), (252, 8575360), (256, 8441370), (280, 7717824), (288, 7503440), (315, 6860288), (320, 6753096), (336, 6431520), (360, 6002752), (384, 5627580), (420, 5145216), (448, 4823640), (480, 4502064), (504, 4287680), (512, 4220685), (560, 3858912), (576, 3751720), (630, 3430144), (640, 3376548), (672, 3215760), (720, 3001376), (768, 2813790), (840, 2572608), (896, 2411820), (960, 2251032), (1008, 2143840), (1120, 1929456), (1152, 1875860), (1260, 1715072), (1280, 1688274), (1344, 1607880), (1440, 1500688), (1536, 1406895), (1680, 1286304), (1792, 1205910), (1920, 1125516), (2016, 1071920), (2240, 964728), (2304, 937930), (2520, 857536), (2560, 844137), (2688, 803940), (2880, 750344), (3360, 643152), (3584, 602955), (3840, 562758), (4032, 535960), (4480, 482364), (4608, 468965), (5040, 428768), (5376, 401970), (5760, 375172), (6720, 321576), (7680, 281379), (8064, 267980), (8960, 241182), (10080, 214384), (10752, 200985), (11520, 187586), (13399, 161280), (13440, 160788), (16128, 133990), (17920, 120591), (20160, 107192), (23040, 93793), (26798, 80640), (26880, 80394), (32256, 66995), (40197, 53760), (40320, 53596)]