821106720

素因数分解:

$2^5\times 3^5\times 5^1\times 7^2\times {\mathrm{431}}^1$

素因数の和:475

約数の個数: 432

約数和(自身を含む): 3388065408

約数和(自身を除く): 2566958688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 162, 168, 180, 189, 196, 210, 216, 224, 240, 243, 245, 252, 270, 280, 288, 294, 315, 324, 336, 360, 378, 392, 405, 420, 431, 432, 441, 480, 486, 490, 504, 540, 560, 567, 588, 630, 648, 672, 720, 735, 756, 784, 810, 840, 862, 864, 882, 945, 972, 980, 1008, 1080, 1120, 1134, 1176, 1215, 1260, 1293, 1296, 1323, 1440, 1470, 1512, 1568, 1620, 1680, 1701, 1724, 1764, 1890, 1944, 1960, 2016, 2155, 2160, 2205, 2268, 2352, 2430, 2520, 2586, 2592, 2646, 2835, 2940, 3017, 3024, 3240, 3360, 3402, 3448, 3528, 3780, 3879, 3888, 3920, 3969, 4310, 4320, 4410, 4536, 4704, 4860, 5040, 5172, 5292, 5670, 5880, 6034, 6048, 6465, 6480, 6615, 6804, 6896, 7056, 7560, 7758, 7776, 7840, 7938, 8505, 8620, 8820, 9051, 9072, 9720, 10080, 10344, 10584, 11340, 11637, 11760, 11907, 12068, 12930, 12960, 13230, 13608, 13792, 14112, 15085, 15120, 15516, 15876, 17010, 17240, 17640, 18102, 18144, 19395, 19440, 19845, 20688, 21119, 21168, 22680, 23274, 23520, 23814, 24136, 25860, 26460, 27153, 27216, 30170, 30240, 31032, 31752, 34020, 34480, 34911, 35280, 36204, 38790, 38880, 39690, 41376, 42238, 42336, 45255, 45360, 46548, 47628, 48272, 51720, 52920, 54306, 54432, 58185, 59535, 60340, 62064, 63357, 63504, 68040, 68960, 69822, 70560, 72408, 77580, 79380, 81459, 84476, 90510, 90720, 93096, 95256, 96544, 103440, 104733, 105595, 105840, 108612, 116370, 119070, 120680, 124128, 126714, 127008, 135765, 136080, 139644, 144816, 155160, 158760, 162918, 168952, 174555, 181020, 186192, 190071, 190512, 206880, 209466, 211190, 211680, 217224, 232740, 238140, 241360, 244377, 253428, 271530, 272160, 279288, 289632, 310320, 316785, 317520, 325836, 337904, 349110, 362040, 372384, 380142, 381024, 407295, 418932, 422380, 434448, 465480, 476280, 482720, 488754, 506856, 523665, 543060, 558576, 570213, 620640, 633570, 635040, 651672, 675808, 698220, 724080, 733131, 760284, 814590, 837864, 844760, 868896, 930960, 950355, 952560, 977508, 1013712, 1047330, 1086120, 1117152, 1140426, 1221885, 1267140, 1303344, 1396440, 1448160, 1466262, 1520568, 1629180, 1675728, 1689520, 1710639, 1861920, 1900710, 1905120, 1955016, 2027424, 2094660, 2172240, 2280852, 2443770, 2534280, 2606688, 2792880, 2851065, 2932524, 3041136, 3258360, 3351456, 3379040, 3421278, 3665655, 3801420, 3910032, 4189320, 4344480, 4561704, 4887540, 5068560, 5131917, 5585760, 5702130, 5865048, 6082272, 6516720, 6842556, 7331310, 7602840, 7820064, 8378640, 8553195, 9123408, 9775080, 10137120, 10263834, 11404260, 11730096, 13033440, 13685112, 14662620, 15205680, 16757280, 17106390, 18246816, 19550160, 20527668, 22808520, 23460192, 25659585, 27370224, 29325240, 30411360, 34212780, 39100320, 41055336, 45617040, 51319170, 54740448, 58650480, 68425560, 82110672, 91234080, 102638340, 117300960, 136851120, 164221344, 205276680, 273702240, 410553360, 821106720]

約数ペア:

[(1, 821106720), (2, 410553360), (3, 273702240), (4, 205276680), (5, 164221344), (6, 136851120), (7, 117300960), (8, 102638340), (9, 91234080), (10, 82110672), (12, 68425560), (14, 58650480), (15, 54740448), (16, 51319170), (18, 45617040), (20, 41055336), (21, 39100320), (24, 34212780), (27, 30411360), (28, 29325240), (30, 27370224), (32, 25659585), (35, 23460192), (36, 22808520), (40, 20527668), (42, 19550160), (45, 18246816), (48, 17106390), (49, 16757280), (54, 15205680), (56, 14662620), (60, 13685112), (63, 13033440), (70, 11730096), (72, 11404260), (80, 10263834), (81, 10137120), (84, 9775080), (90, 9123408), (96, 8553195), (98, 8378640), (105, 7820064), (108, 7602840), (112, 7331310), (120, 6842556), (126, 6516720), (135, 6082272), (140, 5865048), (144, 5702130), (147, 5585760), (160, 5131917), (162, 5068560), (168, 4887540), (180, 4561704), (189, 4344480), (196, 4189320), (210, 3910032), (216, 3801420), (224, 3665655), (240, 3421278), (243, 3379040), (245, 3351456), (252, 3258360), (270, 3041136), (280, 2932524), (288, 2851065), (294, 2792880), (315, 2606688), (324, 2534280), (336, 2443770), (360, 2280852), (378, 2172240), (392, 2094660), (405, 2027424), (420, 1955016), (431, 1905120), (432, 1900710), (441, 1861920), (480, 1710639), (486, 1689520), (490, 1675728), (504, 1629180), (540, 1520568), (560, 1466262), (567, 1448160), (588, 1396440), (630, 1303344), (648, 1267140), (672, 1221885), (720, 1140426), (735, 1117152), (756, 1086120), (784, 1047330), (810, 1013712), (840, 977508), (862, 952560), (864, 950355), (882, 930960), (945, 868896), (972, 844760), (980, 837864), (1008, 814590), (1080, 760284), (1120, 733131), (1134, 724080), (1176, 698220), (1215, 675808), (1260, 651672), (1293, 635040), (1296, 633570), (1323, 620640), (1440, 570213), (1470, 558576), (1512, 543060), (1568, 523665), (1620, 506856), (1680, 488754), (1701, 482720), (1724, 476280), (1764, 465480), (1890, 434448), (1944, 422380), (1960, 418932), (2016, 407295), (2155, 381024), (2160, 380142), (2205, 372384), (2268, 362040), (2352, 349110), (2430, 337904), (2520, 325836), (2586, 317520), (2592, 316785), (2646, 310320), (2835, 289632), (2940, 279288), (3017, 272160), (3024, 271530), (3240, 253428), (3360, 244377), (3402, 241360), (3448, 238140), (3528, 232740), (3780, 217224), (3879, 211680), (3888, 211190), (3920, 209466), (3969, 206880), (4310, 190512), (4320, 190071), (4410, 186192), (4536, 181020), (4704, 174555), (4860, 168952), (5040, 162918), (5172, 158760), (5292, 155160), (5670, 144816), (5880, 139644), (6034, 136080), (6048, 135765), (6465, 127008), (6480, 126714), (6615, 124128), (6804, 120680), (6896, 119070), (7056, 116370), (7560, 108612), (7758, 105840), (7776, 105595), (7840, 104733), (7938, 103440), (8505, 96544), (8620, 95256), (8820, 93096), (9051, 90720), (9072, 90510), (9720, 84476), (10080, 81459), (10344, 79380), (10584, 77580), (11340, 72408), (11637, 70560), (11760, 69822), (11907, 68960), (12068, 68040), (12930, 63504), (12960, 63357), (13230, 62064), (13608, 60340), (13792, 59535), (14112, 58185), (15085, 54432), (15120, 54306), (15516, 52920), (15876, 51720), (17010, 48272), (17240, 47628), (17640, 46548), (18102, 45360), (18144, 45255), (19395, 42336), (19440, 42238), (19845, 41376), (20688, 39690), (21119, 38880), (21168, 38790), (22680, 36204), (23274, 35280), (23520, 34911), (23814, 34480), (24136, 34020), (25860, 31752), (26460, 31032), (27153, 30240), (27216, 30170)]