81630905760

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{31973}}^1$

素因数の和:32197

約数の個数: 240

約数和(自身を含む): 289560508776

約数和(自身を除く): 207929603016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 197, 216, 240, 270, 288, 324, 360, 394, 405, 432, 480, 540, 591, 648, 720, 788, 810, 864, 985, 1080, 1182, 1296, 1440, 1576, 1620, 1773, 1970, 2160, 2364, 2592, 2955, 3152, 3240, 3546, 3940, 4320, 4728, 5319, 5910, 6304, 6480, 7092, 7880, 8865, 9456, 10638, 11820, 12960, 14184, 15760, 15957, 17730, 18912, 21276, 23640, 26595, 28368, 31520, 31914, 31973, 35460, 42552, 47280, 53190, 56736, 63828, 63946, 70920, 79785, 85104, 94560, 95919, 106380, 127656, 127892, 141840, 159570, 159865, 170208, 191838, 212760, 255312, 255784, 283680, 287757, 319140, 319730, 383676, 425520, 479595, 510624, 511568, 575514, 638280, 639460, 767352, 851040, 863271, 959190, 1023136, 1151028, 1276560, 1278920, 1438785, 1534704, 1726542, 1918380, 2302056, 2553120, 2557840, 2589813, 2877570, 3069408, 3453084, 3836760, 4316355, 4604112, 5115680, 5179626, 5755140, 6298681, 6906168, 7673520, 8632710, 9208224, 10359252, 11510280, 12597362, 12949065, 13812336, 15347040, 17265420, 18896043, 20718504, 23020560, 25194724, 25898130, 27624672, 31493405, 34530840, 37792086, 41437008, 46041120, 50389448, 51796260, 56688129, 62986810, 69061680, 75584172, 82874016, 94480215, 100778896, 103592520, 113376258, 125973620, 138123360, 151168344, 170064387, 188960430, 201557792, 207185040, 226752516, 251947240, 283440645, 302336688, 340128774, 377920860, 414370080, 453505032, 503894480, 510193161, 566881290, 604673376, 680257548, 755841720, 850321935, 907010064, 1007788960, 1020386322, 1133762580, 1360515096, 1511683440, 1700643870, 1814020128, 2040772644, 2267525160, 2550965805, 2721030192, 3023366880, 3401287740, 4081545288, 4535050320, 5101931610, 5442060384, 6802575480, 8163090576, 9070100640, 10203863220, 13605150960, 16326181152, 20407726440, 27210301920, 40815452880, 81630905760]

約数ペア:

[(1, 81630905760), (2, 40815452880), (3, 27210301920), (4, 20407726440), (5, 16326181152), (6, 13605150960), (8, 10203863220), (9, 9070100640), (10, 8163090576), (12, 6802575480), (15, 5442060384), (16, 5101931610), (18, 4535050320), (20, 4081545288), (24, 3401287740), (27, 3023366880), (30, 2721030192), (32, 2550965805), (36, 2267525160), (40, 2040772644), (45, 1814020128), (48, 1700643870), (54, 1511683440), (60, 1360515096), (72, 1133762580), (80, 1020386322), (81, 1007788960), (90, 907010064), (96, 850321935), (108, 755841720), (120, 680257548), (135, 604673376), (144, 566881290), (160, 510193161), (162, 503894480), (180, 453505032), (197, 414370080), (216, 377920860), (240, 340128774), (270, 302336688), (288, 283440645), (324, 251947240), (360, 226752516), (394, 207185040), (405, 201557792), (432, 188960430), (480, 170064387), (540, 151168344), (591, 138123360), (648, 125973620), (720, 113376258), (788, 103592520), (810, 100778896), (864, 94480215), (985, 82874016), (1080, 75584172), (1182, 69061680), (1296, 62986810), (1440, 56688129), (1576, 51796260), (1620, 50389448), (1773, 46041120), (1970, 41437008), (2160, 37792086), (2364, 34530840), (2592, 31493405), (2955, 27624672), (3152, 25898130), (3240, 25194724), (3546, 23020560), (3940, 20718504), (4320, 18896043), (4728, 17265420), (5319, 15347040), (5910, 13812336), (6304, 12949065), (6480, 12597362), (7092, 11510280), (7880, 10359252), (8865, 9208224), (9456, 8632710), (10638, 7673520), (11820, 6906168), (12960, 6298681), (14184, 5755140), (15760, 5179626), (15957, 5115680), (17730, 4604112), (18912, 4316355), (21276, 3836760), (23640, 3453084), (26595, 3069408), (28368, 2877570), (31520, 2589813), (31914, 2557840), (31973, 2553120), (35460, 2302056), (42552, 1918380), (47280, 1726542), (53190, 1534704), (56736, 1438785), (63828, 1278920), (63946, 1276560), (70920, 1151028), (79785, 1023136), (85104, 959190), (94560, 863271), (95919, 851040), (106380, 767352), (127656, 639460), (127892, 638280), (141840, 575514), (159570, 511568), (159865, 510624), (170208, 479595), (191838, 425520), (212760, 383676), (255312, 319730), (255784, 319140), (283680, 287757)]