81940320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1$

素因数の和:778

約数の個数: 288

約数和(自身を含む): 349090560

約数和(自身を除く): 267150240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 160, 165, 168, 176, 180, 198, 210, 220, 224, 231, 240, 252, 264, 280, 288, 308, 315, 330, 336, 352, 360, 385, 396, 420, 440, 462, 480, 495, 504, 528, 560, 616, 630, 660, 672, 693, 720, 739, 770, 792, 840, 880, 924, 990, 1008, 1056, 1120, 1155, 1232, 1260, 1320, 1386, 1440, 1478, 1540, 1584, 1680, 1760, 1848, 1980, 2016, 2217, 2310, 2464, 2520, 2640, 2772, 2956, 3080, 3168, 3360, 3465, 3695, 3696, 3960, 4434, 4620, 5040, 5173, 5280, 5544, 5912, 6160, 6651, 6930, 7390, 7392, 7920, 8129, 8868, 9240, 10080, 10346, 11085, 11088, 11824, 12320, 13302, 13860, 14780, 15519, 15840, 16258, 17736, 18480, 20692, 22170, 22176, 23648, 24387, 25865, 26604, 27720, 29560, 31038, 32516, 33255, 35472, 36960, 40645, 41384, 44340, 46557, 48774, 51730, 53208, 55440, 56903, 59120, 62076, 65032, 66510, 70944, 73161, 77595, 81290, 82768, 88680, 93114, 97548, 103460, 106416, 110880, 113806, 118240, 121935, 124152, 130064, 133020, 146322, 155190, 162580, 165536, 170709, 177360, 186228, 195096, 206920, 212832, 227612, 232785, 243870, 248304, 260128, 266040, 284515, 292644, 310380, 325160, 341418, 354720, 365805, 372456, 390192, 413840, 455224, 465570, 487740, 496608, 512127, 532080, 569030, 585288, 620760, 650320, 682836, 731610, 744912, 780384, 827680, 853545, 910448, 931140, 975480, 1024254, 1064160, 1138060, 1170576, 1241520, 1300640, 1365672, 1463220, 1489824, 1707090, 1820896, 1862280, 1950960, 2048508, 2276120, 2341152, 2483040, 2560635, 2731344, 2926440, 3414180, 3724560, 3901920, 4097016, 4552240, 5121270, 5462688, 5852880, 6828360, 7449120, 8194032, 9104480, 10242540, 11705760, 13656720, 16388064, 20485080, 27313440, 40970160, 81940320]

約数ペア:

[(1, 81940320), (2, 40970160), (3, 27313440), (4, 20485080), (5, 16388064), (6, 13656720), (7, 11705760), (8, 10242540), (9, 9104480), (10, 8194032), (11, 7449120), (12, 6828360), (14, 5852880), (15, 5462688), (16, 5121270), (18, 4552240), (20, 4097016), (21, 3901920), (22, 3724560), (24, 3414180), (28, 2926440), (30, 2731344), (32, 2560635), (33, 2483040), (35, 2341152), (36, 2276120), (40, 2048508), (42, 1950960), (44, 1862280), (45, 1820896), (48, 1707090), (55, 1489824), (56, 1463220), (60, 1365672), (63, 1300640), (66, 1241520), (70, 1170576), (72, 1138060), (77, 1064160), (80, 1024254), (84, 975480), (88, 931140), (90, 910448), (96, 853545), (99, 827680), (105, 780384), (110, 744912), (112, 731610), (120, 682836), (126, 650320), (132, 620760), (140, 585288), (144, 569030), (154, 532080), (160, 512127), (165, 496608), (168, 487740), (176, 465570), (180, 455224), (198, 413840), (210, 390192), (220, 372456), (224, 365805), (231, 354720), (240, 341418), (252, 325160), (264, 310380), (280, 292644), (288, 284515), (308, 266040), (315, 260128), (330, 248304), (336, 243870), (352, 232785), (360, 227612), (385, 212832), (396, 206920), (420, 195096), (440, 186228), (462, 177360), (480, 170709), (495, 165536), (504, 162580), (528, 155190), (560, 146322), (616, 133020), (630, 130064), (660, 124152), (672, 121935), (693, 118240), (720, 113806), (739, 110880), (770, 106416), (792, 103460), (840, 97548), (880, 93114), (924, 88680), (990, 82768), (1008, 81290), (1056, 77595), (1120, 73161), (1155, 70944), (1232, 66510), (1260, 65032), (1320, 62076), (1386, 59120), (1440, 56903), (1478, 55440), (1540, 53208), (1584, 51730), (1680, 48774), (1760, 46557), (1848, 44340), (1980, 41384), (2016, 40645), (2217, 36960), (2310, 35472), (2464, 33255), (2520, 32516), (2640, 31038), (2772, 29560), (2956, 27720), (3080, 26604), (3168, 25865), (3360, 24387), (3465, 23648), (3695, 22176), (3696, 22170), (3960, 20692), (4434, 18480), (4620, 17736), (5040, 16258), (5173, 15840), (5280, 15519), (5544, 14780), (5912, 13860), (6160, 13302), (6651, 12320), (6930, 11824), (7390, 11088), (7392, 11085), (7920, 10346), (8129, 10080), (8868, 9240)]