81933120

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 280

約数和(自身を含む): 304266600

約数和(自身を除く): 222333480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 80, 81, 87, 90, 96, 108, 109, 116, 120, 135, 144, 145, 160, 162, 174, 180, 192, 216, 218, 232, 240, 261, 270, 288, 290, 320, 324, 327, 348, 360, 405, 432, 435, 436, 464, 480, 522, 540, 545, 576, 580, 648, 654, 696, 720, 783, 810, 864, 870, 872, 928, 960, 981, 1044, 1080, 1090, 1160, 1296, 1305, 1308, 1392, 1440, 1566, 1620, 1635, 1728, 1740, 1744, 1856, 1962, 2088, 2160, 2180, 2320, 2349, 2592, 2610, 2616, 2784, 2880, 2943, 3132, 3161, 3240, 3270, 3480, 3488, 3915, 3924, 4176, 4320, 4360, 4640, 4698, 4905, 5184, 5220, 5232, 5568, 5886, 6264, 6322, 6480, 6540, 6960, 6976, 7830, 7848, 8352, 8640, 8720, 8829, 9280, 9396, 9483, 9810, 10440, 10464, 11745, 11772, 12528, 12644, 12960, 13080, 13920, 14715, 15660, 15696, 15805, 16704, 17440, 17658, 18792, 18966, 19620, 20880, 20928, 23490, 23544, 25056, 25288, 25920, 26160, 27840, 28449, 29430, 31320, 31392, 31610, 34880, 35316, 37584, 37932, 39240, 41760, 44145, 46980, 47088, 47415, 50112, 50576, 52320, 56898, 58860, 62640, 62784, 63220, 70632, 75168, 75864, 78480, 83520, 85347, 88290, 93960, 94176, 94830, 101152, 104640, 113796, 117720, 125280, 126440, 141264, 142245, 150336, 151728, 156960, 170694, 176580, 187920, 188352, 189660, 202304, 227592, 235440, 250560, 252880, 256041, 282528, 284490, 303456, 313920, 341388, 353160, 375840, 379320, 426735, 455184, 470880, 505760, 512082, 565056, 568980, 606912, 682776, 706320, 751680, 758640, 853470, 910368, 941760, 1011520, 1024164, 1137960, 1280205, 1365552, 1412640, 1517280, 1706940, 1820736, 2048328, 2275920, 2560410, 2731104, 2825280, 3034560, 3413880, 4096656, 4551840, 5120820, 5462208, 6827760, 8193312, 9103680, 10241640, 13655520, 16386624, 20483280, 27311040, 40966560, 81933120]

約数ペア:

[(1, 81933120), (2, 40966560), (3, 27311040), (4, 20483280), (5, 16386624), (6, 13655520), (8, 10241640), (9, 9103680), (10, 8193312), (12, 6827760), (15, 5462208), (16, 5120820), (18, 4551840), (20, 4096656), (24, 3413880), (27, 3034560), (29, 2825280), (30, 2731104), (32, 2560410), (36, 2275920), (40, 2048328), (45, 1820736), (48, 1706940), (54, 1517280), (58, 1412640), (60, 1365552), (64, 1280205), (72, 1137960), (80, 1024164), (81, 1011520), (87, 941760), (90, 910368), (96, 853470), (108, 758640), (109, 751680), (116, 706320), (120, 682776), (135, 606912), (144, 568980), (145, 565056), (160, 512082), (162, 505760), (174, 470880), (180, 455184), (192, 426735), (216, 379320), (218, 375840), (232, 353160), (240, 341388), (261, 313920), (270, 303456), (288, 284490), (290, 282528), (320, 256041), (324, 252880), (327, 250560), (348, 235440), (360, 227592), (405, 202304), (432, 189660), (435, 188352), (436, 187920), (464, 176580), (480, 170694), (522, 156960), (540, 151728), (545, 150336), (576, 142245), (580, 141264), (648, 126440), (654, 125280), (696, 117720), (720, 113796), (783, 104640), (810, 101152), (864, 94830), (870, 94176), (872, 93960), (928, 88290), (960, 85347), (981, 83520), (1044, 78480), (1080, 75864), (1090, 75168), (1160, 70632), (1296, 63220), (1305, 62784), (1308, 62640), (1392, 58860), (1440, 56898), (1566, 52320), (1620, 50576), (1635, 50112), (1728, 47415), (1740, 47088), (1744, 46980), (1856, 44145), (1962, 41760), (2088, 39240), (2160, 37932), (2180, 37584), (2320, 35316), (2349, 34880), (2592, 31610), (2610, 31392), (2616, 31320), (2784, 29430), (2880, 28449), (2943, 27840), (3132, 26160), (3161, 25920), (3240, 25288), (3270, 25056), (3480, 23544), (3488, 23490), (3915, 20928), (3924, 20880), (4176, 19620), (4320, 18966), (4360, 18792), (4640, 17658), (4698, 17440), (4905, 16704), (5184, 15805), (5220, 15696), (5232, 15660), (5568, 14715), (5886, 13920), (6264, 13080), (6322, 12960), (6480, 12644), (6540, 12528), (6960, 11772), (6976, 11745), (7830, 10464), (7848, 10440), (8352, 9810), (8640, 9483), (8720, 9396), (8829, 9280)]