21020002560

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13127}}^1$

素因数の和:13293

約数の個数: 216

約数和(自身を含む): 73255815360

約数和(自身を除く): 52235812800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 139, 144, 160, 180, 192, 240, 256, 278, 288, 320, 360, 384, 417, 480, 556, 576, 640, 695, 720, 768, 834, 960, 1112, 1152, 1251, 1280, 1390, 1440, 1668, 1920, 2085, 2224, 2304, 2502, 2780, 2880, 3336, 3840, 4170, 4448, 5004, 5560, 5760, 6255, 6672, 8340, 8896, 10008, 11120, 11520, 12510, 13127, 13344, 16680, 17792, 20016, 22240, 25020, 26254, 26688, 33360, 35584, 39381, 40032, 44480, 50040, 52508, 53376, 65635, 66720, 78762, 80064, 88960, 100080, 105016, 106752, 118143, 131270, 133440, 157524, 160128, 177920, 196905, 200160, 210032, 236286, 262540, 266880, 315048, 320256, 393810, 400320, 420064, 472572, 525080, 533760, 590715, 630096, 787620, 800640, 840128, 945144, 1050160, 1181430, 1260192, 1575240, 1601280, 1680256, 1824653, 1890288, 2100320, 2362860, 2520384, 3150480, 3360512, 3649306, 3780576, 4200640, 4725720, 5040768, 5473959, 6300960, 7298612, 7561152, 8401280, 9123265, 9451440, 10081536, 10947918, 12601920, 14597224, 15122304, 16421877, 16802560, 18246530, 18902880, 21895836, 25203840, 27369795, 29194448, 30244608, 32843754, 36493060, 37805760, 43791672, 50407680, 54739590, 58388896, 65687508, 72986120, 75611520, 82109385, 87583344, 109479180, 116777792, 131375016, 145972240, 151223040, 164218770, 175166688, 218958360, 233555584, 262750032, 291944480, 328437540, 350333376, 437916720, 467111168, 525500064, 583888960, 656875080, 700666752, 875833440, 1051000128, 1167777920, 1313750160, 1401333504, 1751666880, 2102000256, 2335555840, 2627500320, 3503333760, 4204000512, 5255000640, 7006667520, 10510001280, 21020002560]

約数ペア:

[(1, 21020002560), (2, 10510001280), (3, 7006667520), (4, 5255000640), (5, 4204000512), (6, 3503333760), (8, 2627500320), (9, 2335555840), (10, 2102000256), (12, 1751666880), (15, 1401333504), (16, 1313750160), (18, 1167777920), (20, 1051000128), (24, 875833440), (30, 700666752), (32, 656875080), (36, 583888960), (40, 525500064), (45, 467111168), (48, 437916720), (60, 350333376), (64, 328437540), (72, 291944480), (80, 262750032), (90, 233555584), (96, 218958360), (120, 175166688), (128, 164218770), (139, 151223040), (144, 145972240), (160, 131375016), (180, 116777792), (192, 109479180), (240, 87583344), (256, 82109385), (278, 75611520), (288, 72986120), (320, 65687508), (360, 58388896), (384, 54739590), (417, 50407680), (480, 43791672), (556, 37805760), (576, 36493060), (640, 32843754), (695, 30244608), (720, 29194448), (768, 27369795), (834, 25203840), (960, 21895836), (1112, 18902880), (1152, 18246530), (1251, 16802560), (1280, 16421877), (1390, 15122304), (1440, 14597224), (1668, 12601920), (1920, 10947918), (2085, 10081536), (2224, 9451440), (2304, 9123265), (2502, 8401280), (2780, 7561152), (2880, 7298612), (3336, 6300960), (3840, 5473959), (4170, 5040768), (4448, 4725720), (5004, 4200640), (5560, 3780576), (5760, 3649306), (6255, 3360512), (6672, 3150480), (8340, 2520384), (8896, 2362860), (10008, 2100320), (11120, 1890288), (11520, 1824653), (12510, 1680256), (13127, 1601280), (13344, 1575240), (16680, 1260192), (17792, 1181430), (20016, 1050160), (22240, 945144), (25020, 840128), (26254, 800640), (26688, 787620), (33360, 630096), (35584, 590715), (39381, 533760), (40032, 525080), (44480, 472572), (50040, 420064), (52508, 400320), (53376, 393810), (65635, 320256), (66720, 315048), (78762, 266880), (80064, 262540), (88960, 236286), (100080, 210032), (105016, 200160), (106752, 196905), (118143, 177920), (131270, 160128), (133440, 157524)]