21768001920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{539881}}^1$

素因数の和:539913

約数の個数: 192

約数和(自身を含む): 85906023840

約数和(自身を除く): 64138021920

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, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 40320, 539881, 1079762, 1619643, 2159524, 2699405, 3239286, 3779167, 4319048, 4858929, 5398810, 6478572, 7558334, 8098215, 8638096, 9717858, 10797620, 11337501, 12957144, 15116668, 16196430, 17276192, 18895835, 19435716, 21595240, 22675002, 24294645, 25914288, 30233336, 32392860, 34012503, 34552384, 37791670, 38871432, 43190480, 45350004, 48589290, 51828576, 56687505, 60466672, 64785720, 68025006, 69104768, 75583340, 77742864, 86380960, 90700008, 97178580, 103657152, 113375010, 120933344, 129571440, 136050012, 151166680, 155485728, 170062515, 172761920, 181400016, 194357160, 207314304, 226750020, 241866688, 259142880, 272100024, 302333360, 310971456, 340125030, 345523840, 362800032, 388714320, 453500040, 483733376, 518285760, 544200048, 604666720, 621942912, 680250060, 725600064, 777428640, 907000080, 1036571520, 1088400096, 1209333440, 1360500120, 1451200128, 1554857280, 1814000160, 2176800192, 2418666880, 2721000240, 3109714560, 3628000320, 4353600384, 5442000480, 7256000640, 10884000960, 21768001920]

約数ペア:

[(1, 21768001920), (2, 10884000960), (3, 7256000640), (4, 5442000480), (5, 4353600384), (6, 3628000320), (7, 3109714560), (8, 2721000240), (9, 2418666880), (10, 2176800192), (12, 1814000160), (14, 1554857280), (15, 1451200128), (16, 1360500120), (18, 1209333440), (20, 1088400096), (21, 1036571520), (24, 907000080), (28, 777428640), (30, 725600064), (32, 680250060), (35, 621942912), (36, 604666720), (40, 544200048), (42, 518285760), (45, 483733376), (48, 453500040), (56, 388714320), (60, 362800032), (63, 345523840), (64, 340125030), (70, 310971456), (72, 302333360), (80, 272100024), (84, 259142880), (90, 241866688), (96, 226750020), (105, 207314304), (112, 194357160), (120, 181400016), (126, 172761920), (128, 170062515), (140, 155485728), (144, 151166680), (160, 136050012), (168, 129571440), (180, 120933344), (192, 113375010), (210, 103657152), (224, 97178580), (240, 90700008), (252, 86380960), (280, 77742864), (288, 75583340), (315, 69104768), (320, 68025006), (336, 64785720), (360, 60466672), (384, 56687505), (420, 51828576), (448, 48589290), (480, 45350004), (504, 43190480), (560, 38871432), (576, 37791670), (630, 34552384), (640, 34012503), (672, 32392860), (720, 30233336), (840, 25914288), (896, 24294645), (960, 22675002), (1008, 21595240), (1120, 19435716), (1152, 18895835), (1260, 17276192), (1344, 16196430), (1440, 15116668), (1680, 12957144), (1920, 11337501), (2016, 10797620), (2240, 9717858), (2520, 8638096), (2688, 8098215), (2880, 7558334), (3360, 6478572), (4032, 5398810), (4480, 4858929), (5040, 4319048), (5760, 3779167), (6720, 3239286), (8064, 2699405), (10080, 2159524), (13440, 1619643), (20160, 1079762), (40320, 539881)]