80991680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:227

約数の個数: 224

約数和(自身を含む): 254568960

約数和(自身を除く): 173577280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 64, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 160, 173, 176, 190, 209, 220, 224, 266, 280, 304, 308, 320, 346, 352, 380, 385, 418, 440, 448, 532, 560, 608, 616, 665, 692, 704, 760, 770, 836, 865, 880, 1045, 1064, 1120, 1211, 1216, 1232, 1330, 1384, 1463, 1520, 1540, 1672, 1730, 1760, 1903, 2090, 2128, 2240, 2422, 2464, 2660, 2768, 2926, 3040, 3080, 3287, 3344, 3460, 3520, 3806, 4180, 4256, 4844, 4928, 5320, 5536, 5852, 6055, 6080, 6160, 6574, 6688, 6920, 7315, 7612, 8360, 8512, 9515, 9688, 10640, 11072, 11704, 12110, 12320, 13148, 13321, 13376, 13840, 14630, 15224, 16435, 16720, 19030, 19376, 21280, 23009, 23408, 24220, 24640, 26296, 26642, 27680, 29260, 30448, 32870, 33440, 36157, 38060, 38752, 42560, 46018, 46816, 48440, 52592, 53284, 55360, 58520, 60896, 65740, 66605, 66880, 72314, 76120, 77504, 92036, 93632, 96880, 105184, 106568, 115045, 117040, 121792, 131480, 133210, 144628, 152240, 180785, 184072, 193760, 210368, 213136, 230090, 234080, 253099, 262960, 266420, 289256, 304480, 361570, 368144, 387520, 426272, 460180, 468160, 506198, 525920, 532840, 578512, 608960, 723140, 736288, 852544, 920360, 1012396, 1051840, 1065680, 1157024, 1265495, 1446280, 1472576, 1840720, 2024792, 2131360, 2314048, 2530990, 2892560, 3681440, 4049584, 4262720, 5061980, 5785120, 7362880, 8099168, 10123960, 11570240, 16198336, 20247920, 40495840, 80991680]

約数ペア:

[(1, 80991680), (2, 40495840), (4, 20247920), (5, 16198336), (7, 11570240), (8, 10123960), (10, 8099168), (11, 7362880), (14, 5785120), (16, 5061980), (19, 4262720), (20, 4049584), (22, 3681440), (28, 2892560), (32, 2530990), (35, 2314048), (38, 2131360), (40, 2024792), (44, 1840720), (55, 1472576), (56, 1446280), (64, 1265495), (70, 1157024), (76, 1065680), (77, 1051840), (80, 1012396), (88, 920360), (95, 852544), (110, 736288), (112, 723140), (133, 608960), (140, 578512), (152, 532840), (154, 525920), (160, 506198), (173, 468160), (176, 460180), (190, 426272), (209, 387520), (220, 368144), (224, 361570), (266, 304480), (280, 289256), (304, 266420), (308, 262960), (320, 253099), (346, 234080), (352, 230090), (380, 213136), (385, 210368), (418, 193760), (440, 184072), (448, 180785), (532, 152240), (560, 144628), (608, 133210), (616, 131480), (665, 121792), (692, 117040), (704, 115045), (760, 106568), (770, 105184), (836, 96880), (865, 93632), (880, 92036), (1045, 77504), (1064, 76120), (1120, 72314), (1211, 66880), (1216, 66605), (1232, 65740), (1330, 60896), (1384, 58520), (1463, 55360), (1520, 53284), (1540, 52592), (1672, 48440), (1730, 46816), (1760, 46018), (1903, 42560), (2090, 38752), (2128, 38060), (2240, 36157), (2422, 33440), (2464, 32870), (2660, 30448), (2768, 29260), (2926, 27680), (3040, 26642), (3080, 26296), (3287, 24640), (3344, 24220), (3460, 23408), (3520, 23009), (3806, 21280), (4180, 19376), (4256, 19030), (4844, 16720), (4928, 16435), (5320, 15224), (5536, 14630), (5852, 13840), (6055, 13376), (6080, 13321), (6160, 13148), (6574, 12320), (6688, 12110), (6920, 11704), (7315, 11072), (7612, 10640), (8360, 9688), (8512, 9515)]