21282821280

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{234599}}^1$

素因数の和:234633

約数の個数: 240

約数和(自身を含む): 85841078400

約数和(自身を除く): 64558257120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 22680, 30240, 45360, 90720, 234599, 469198, 703797, 938396, 1172995, 1407594, 1642193, 1876792, 2111391, 2345990, 2815188, 3284386, 3518985, 3753584, 4222782, 4691980, 4926579, 5630376, 6334173, 6568772, 7037970, 7507168, 8210965, 8445564, 9383960, 9853158, 10556955, 11260752, 12668346, 13137544, 14075940, 14779737, 16421930, 16891128, 18767920, 19002519, 19706316, 21113910, 22521504, 24632895, 25336692, 26275088, 28151880, 29559474, 31670865, 32843860, 33782256, 37535840, 38005038, 39412632, 42227820, 44339211, 49265790, 50673384, 52550176, 56303760, 59118948, 63341730, 65687720, 67564512, 73898685, 76010076, 78825264, 84455640, 88678422, 95012595, 98531580, 101346768, 112607520, 118237896, 126683460, 131375440, 133017633, 147797370, 152020152, 157650528, 168911280, 177356844, 190025190, 197063160, 202693536, 221696055, 236475792, 253366920, 262750880, 266035266, 295594740, 304040304, 337822560, 354713688, 380050380, 394126320, 443392110, 472951584, 506733840, 532070532, 591189480, 608080608, 665088165, 709427376, 760100760, 788252640, 886784220, 1013467680, 1064141064, 1182378960, 1330176330, 1418854752, 1520201520, 1773568440, 2128282128, 2364757920, 2660352660, 3040403040, 3547136880, 4256564256, 5320705320, 7094273760, 10641410640, 21282821280]

約数ペア:

[(1, 21282821280), (2, 10641410640), (3, 7094273760), (4, 5320705320), (5, 4256564256), (6, 3547136880), (7, 3040403040), (8, 2660352660), (9, 2364757920), (10, 2128282128), (12, 1773568440), (14, 1520201520), (15, 1418854752), (16, 1330176330), (18, 1182378960), (20, 1064141064), (21, 1013467680), (24, 886784220), (27, 788252640), (28, 760100760), (30, 709427376), (32, 665088165), (35, 608080608), (36, 591189480), (40, 532070532), (42, 506733840), (45, 472951584), (48, 443392110), (54, 394126320), (56, 380050380), (60, 354713688), (63, 337822560), (70, 304040304), (72, 295594740), (80, 266035266), (81, 262750880), (84, 253366920), (90, 236475792), (96, 221696055), (105, 202693536), (108, 197063160), (112, 190025190), (120, 177356844), (126, 168911280), (135, 157650528), (140, 152020152), (144, 147797370), (160, 133017633), (162, 131375440), (168, 126683460), (180, 118237896), (189, 112607520), (210, 101346768), (216, 98531580), (224, 95012595), (240, 88678422), (252, 84455640), (270, 78825264), (280, 76010076), (288, 73898685), (315, 67564512), (324, 65687720), (336, 63341730), (360, 59118948), (378, 56303760), (405, 52550176), (420, 50673384), (432, 49265790), (480, 44339211), (504, 42227820), (540, 39412632), (560, 38005038), (567, 37535840), (630, 33782256), (648, 32843860), (672, 31670865), (720, 29559474), (756, 28151880), (810, 26275088), (840, 25336692), (864, 24632895), (945, 22521504), (1008, 21113910), (1080, 19706316), (1120, 19002519), (1134, 18767920), (1260, 16891128), (1296, 16421930), (1440, 14779737), (1512, 14075940), (1620, 13137544), (1680, 12668346), (1890, 11260752), (2016, 10556955), (2160, 9853158), (2268, 9383960), (2520, 8445564), (2592, 8210965), (2835, 7507168), (3024, 7037970), (3240, 6568772), (3360, 6334173), (3780, 5630376), (4320, 4926579), (4536, 4691980), (5040, 4222782), (5670, 3753584), (6048, 3518985), (6480, 3284386), (7560, 2815188), (9072, 2345990), (10080, 2111391), (11340, 1876792), (12960, 1642193), (15120, 1407594), (18144, 1172995), (22680, 938396), (30240, 703797), (45360, 469198), (90720, 234599)]