81264960

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 336

約数和(自身を含む): 332841600

約数和(自身を除く): 251576640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 64, 70, 72, 80, 84, 87, 90, 96, 105, 112, 116, 120, 126, 139, 140, 144, 145, 160, 168, 174, 180, 192, 203, 210, 224, 232, 240, 252, 261, 278, 280, 288, 290, 315, 320, 336, 348, 360, 406, 417, 420, 435, 448, 464, 480, 504, 522, 556, 560, 576, 580, 609, 630, 672, 695, 696, 720, 812, 834, 840, 870, 928, 960, 973, 1008, 1015, 1044, 1112, 1120, 1160, 1218, 1251, 1260, 1305, 1344, 1390, 1392, 1440, 1624, 1668, 1680, 1740, 1827, 1856, 1946, 2016, 2030, 2085, 2088, 2224, 2240, 2320, 2436, 2502, 2520, 2610, 2780, 2784, 2880, 2919, 3045, 3248, 3336, 3360, 3480, 3654, 3892, 4031, 4032, 4060, 4170, 4176, 4448, 4640, 4865, 4872, 5004, 5040, 5220, 5560, 5568, 5838, 6090, 6255, 6496, 6672, 6720, 6960, 7308, 7784, 8062, 8120, 8340, 8352, 8757, 8896, 9135, 9280, 9730, 9744, 10008, 10080, 10440, 11120, 11676, 12093, 12180, 12510, 12992, 13344, 13920, 14595, 14616, 15568, 16124, 16240, 16680, 16704, 17514, 18270, 19460, 19488, 20016, 20155, 20160, 20880, 22240, 23352, 24186, 24360, 25020, 26688, 27840, 28217, 29190, 29232, 31136, 32248, 32480, 33360, 35028, 36279, 36540, 38920, 38976, 40032, 40310, 41760, 43785, 44480, 46704, 48372, 48720, 50040, 56434, 58380, 58464, 60465, 62272, 64496, 64960, 66720, 70056, 72558, 73080, 77840, 80064, 80620, 83520, 84651, 87570, 93408, 96744, 97440, 100080, 112868, 116760, 116928, 120930, 128992, 133440, 140112, 141085, 145116, 146160, 155680, 161240, 169302, 175140, 181395, 186816, 193488, 194880, 200160, 225736, 233520, 241860, 253953, 257984, 280224, 282170, 290232, 292320, 311360, 322480, 338604, 350280, 362790, 386976, 400320, 423255, 451472, 467040, 483720, 507906, 560448, 564340, 580464, 584640, 644960, 677208, 700560, 725580, 773952, 846510, 902944, 934080, 967440, 1015812, 1128680, 1160928, 1269765, 1289920, 1354416, 1401120, 1451160, 1693020, 1805888, 1934880, 2031624, 2257360, 2321856, 2539530, 2708832, 2802240, 2902320, 3386040, 3869760, 4063248, 4514720, 5079060, 5417664, 5804640, 6772080, 8126496, 9029440, 10158120, 11609280, 13544160, 16252992, 20316240, 27088320, 40632480, 81264960]

約数ペア:

[(1, 81264960), (2, 40632480), (3, 27088320), (4, 20316240), (5, 16252992), (6, 13544160), (7, 11609280), (8, 10158120), (9, 9029440), (10, 8126496), (12, 6772080), (14, 5804640), (15, 5417664), (16, 5079060), (18, 4514720), (20, 4063248), (21, 3869760), (24, 3386040), (28, 2902320), (29, 2802240), (30, 2708832), (32, 2539530), (35, 2321856), (36, 2257360), (40, 2031624), (42, 1934880), (45, 1805888), (48, 1693020), (56, 1451160), (58, 1401120), (60, 1354416), (63, 1289920), (64, 1269765), (70, 1160928), (72, 1128680), (80, 1015812), (84, 967440), (87, 934080), (90, 902944), (96, 846510), (105, 773952), (112, 725580), (116, 700560), (120, 677208), (126, 644960), (139, 584640), (140, 580464), (144, 564340), (145, 560448), (160, 507906), (168, 483720), (174, 467040), (180, 451472), (192, 423255), (203, 400320), (210, 386976), (224, 362790), (232, 350280), (240, 338604), (252, 322480), (261, 311360), (278, 292320), (280, 290232), (288, 282170), (290, 280224), (315, 257984), (320, 253953), (336, 241860), (348, 233520), (360, 225736), (406, 200160), (417, 194880), (420, 193488), (435, 186816), (448, 181395), (464, 175140), (480, 169302), (504, 161240), (522, 155680), (556, 146160), (560, 145116), (576, 141085), (580, 140112), (609, 133440), (630, 128992), (672, 120930), (695, 116928), (696, 116760), (720, 112868), (812, 100080), (834, 97440), (840, 96744), (870, 93408), (928, 87570), (960, 84651), (973, 83520), (1008, 80620), (1015, 80064), (1044, 77840), (1112, 73080), (1120, 72558), (1160, 70056), (1218, 66720), (1251, 64960), (1260, 64496), (1305, 62272), (1344, 60465), (1390, 58464), (1392, 58380), (1440, 56434), (1624, 50040), (1668, 48720), (1680, 48372), (1740, 46704), (1827, 44480), (1856, 43785), (1946, 41760), (2016, 40310), (2030, 40032), (2085, 38976), (2088, 38920), (2224, 36540), (2240, 36279), (2320, 35028), (2436, 33360), (2502, 32480), (2520, 32248), (2610, 31136), (2780, 29232), (2784, 29190), (2880, 28217), (2919, 27840), (3045, 26688), (3248, 25020), (3336, 24360), (3360, 24186), (3480, 23352), (3654, 22240), (3892, 20880), (4031, 20160), (4032, 20155), (4060, 20016), (4170, 19488), (4176, 19460), (4448, 18270), (4640, 17514), (4865, 16704), (4872, 16680), (5004, 16240), (5040, 16124), (5220, 15568), (5560, 14616), (5568, 14595), (5838, 13920), (6090, 13344), (6255, 12992), (6496, 12510), (6672, 12180), (6720, 12093), (6960, 11676), (7308, 11120), (7784, 10440), (8062, 10080), (8120, 10008), (8340, 9744), (8352, 9730), (8757, 9280), (8896, 9135)]