20158830720

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{166657}}^1$

素因数の和:166692

約数の個数: 256

約数和(自身を含む): 81595756800

約数和(自身を除く): 61436926080

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, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 17280, 20160, 24192, 30240, 40320, 60480, 120960, 166657, 333314, 499971, 666628, 833285, 999942, 1166599, 1333256, 1499913, 1666570, 1999884, 2333198, 2499855, 2666512, 2999826, 3333140, 3499797, 3999768, 4499739, 4666396, 4999710, 5333024, 5832995, 5999652, 6666280, 6999594, 7499565, 7999536, 8999478, 9332792, 9999420, 10499391, 10666048, 11665990, 11999304, 13332560, 13999188, 14999130, 15999072, 17498985, 17998956, 18665584, 19998840, 20998782, 21332096, 22498695, 23331980, 23998608, 26665120, 27998376, 29998260, 31498173, 31998144, 34997970, 35997912, 37331168, 39997680, 41997564, 44997390, 46663960, 47997216, 52496955, 53330240, 55996752, 59996520, 62996346, 63996288, 69995940, 71995824, 74662336, 79995360, 83995128, 89994780, 93327920, 95994432, 104993910, 106660480, 111993504, 119993040, 125992692, 139991880, 143991648, 149324672, 157490865, 159990720, 167990256, 179989560, 186655840, 191988864, 209987820, 223987008, 239986080, 251985384, 279983760, 287983296, 314981730, 319981440, 335980512, 359979120, 373311680, 419975640, 447974016, 479972160, 503970768, 559967520, 575966592, 629963460, 671961024, 719958240, 746623360, 839951280, 959944320, 1007941536, 1119935040, 1259926920, 1343922048, 1439916480, 1679902560, 2015883072, 2239870080, 2519853840, 2879832960, 3359805120, 4031766144, 5039707680, 6719610240, 10079415360, 20158830720]

約数ペア:

[(1, 20158830720), (2, 10079415360), (3, 6719610240), (4, 5039707680), (5, 4031766144), (6, 3359805120), (7, 2879832960), (8, 2519853840), (9, 2239870080), (10, 2015883072), (12, 1679902560), (14, 1439916480), (15, 1343922048), (16, 1259926920), (18, 1119935040), (20, 1007941536), (21, 959944320), (24, 839951280), (27, 746623360), (28, 719958240), (30, 671961024), (32, 629963460), (35, 575966592), (36, 559967520), (40, 503970768), (42, 479972160), (45, 447974016), (48, 419975640), (54, 373311680), (56, 359979120), (60, 335980512), (63, 319981440), (64, 314981730), (70, 287983296), (72, 279983760), (80, 251985384), (84, 239986080), (90, 223987008), (96, 209987820), (105, 191988864), (108, 186655840), (112, 179989560), (120, 167990256), (126, 159990720), (128, 157490865), (135, 149324672), (140, 143991648), (144, 139991880), (160, 125992692), (168, 119993040), (180, 111993504), (189, 106660480), (192, 104993910), (210, 95994432), (216, 93327920), (224, 89994780), (240, 83995128), (252, 79995360), (270, 74662336), (280, 71995824), (288, 69995940), (315, 63996288), (320, 62996346), (336, 59996520), (360, 55996752), (378, 53330240), (384, 52496955), (420, 47997216), (432, 46663960), (448, 44997390), (480, 41997564), (504, 39997680), (540, 37331168), (560, 35997912), (576, 34997970), (630, 31998144), (640, 31498173), (672, 29998260), (720, 27998376), (756, 26665120), (840, 23998608), (864, 23331980), (896, 22498695), (945, 21332096), (960, 20998782), (1008, 19998840), (1080, 18665584), (1120, 17998956), (1152, 17498985), (1260, 15999072), (1344, 14999130), (1440, 13999188), (1512, 13332560), (1680, 11999304), (1728, 11665990), (1890, 10666048), (1920, 10499391), (2016, 9999420), (2160, 9332792), (2240, 8999478), (2520, 7999536), (2688, 7499565), (2880, 6999594), (3024, 6666280), (3360, 5999652), (3456, 5832995), (3780, 5333024), (4032, 4999710), (4320, 4666396), (4480, 4499739), (5040, 3999768), (5760, 3499797), (6048, 3333140), (6720, 2999826), (7560, 2666512), (8064, 2499855), (8640, 2333198), (10080, 1999884), (12096, 1666570), (13440, 1499913), (15120, 1333256), (17280, 1166599), (20160, 999942), (24192, 833285), (30240, 666628), (40320, 499971), (60480, 333314), (120960, 166657)]