81557280

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 480

約数和(自身を含む): 351267840

約数和(自身を除く): 269710560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 31, 32, 35, 36, 40, 42, 45, 48, 54, 56, 58, 60, 62, 63, 70, 72, 80, 81, 84, 87, 90, 93, 96, 105, 108, 112, 116, 120, 124, 126, 135, 140, 144, 145, 155, 160, 162, 168, 174, 180, 186, 189, 203, 210, 216, 217, 224, 232, 240, 248, 252, 261, 270, 279, 280, 288, 290, 310, 315, 324, 336, 348, 360, 372, 378, 405, 406, 420, 432, 434, 435, 464, 465, 480, 496, 504, 522, 540, 558, 560, 567, 580, 609, 620, 630, 648, 651, 672, 696, 720, 744, 756, 783, 810, 812, 837, 840, 864, 868, 870, 899, 928, 930, 945, 992, 1008, 1015, 1044, 1080, 1085, 1116, 1120, 1134, 1160, 1218, 1240, 1260, 1296, 1302, 1305, 1392, 1395, 1440, 1488, 1512, 1566, 1620, 1624, 1674, 1680, 1736, 1740, 1798, 1827, 1860, 1890, 1953, 2016, 2030, 2088, 2160, 2170, 2232, 2268, 2320, 2349, 2436, 2480, 2511, 2520, 2592, 2604, 2610, 2697, 2784, 2790, 2835, 2976, 3024, 3045, 3132, 3240, 3248, 3255, 3348, 3360, 3472, 3480, 3596, 3654, 3720, 3780, 3906, 3915, 4060, 4176, 4185, 4320, 4340, 4464, 4495, 4536, 4640, 4698, 4872, 4960, 5022, 5040, 5208, 5220, 5394, 5481, 5580, 5670, 5859, 6048, 6090, 6264, 6293, 6480, 6496, 6510, 6696, 6944, 6960, 7192, 7308, 7440, 7560, 7812, 7830, 8091, 8120, 8352, 8370, 8680, 8928, 8990, 9072, 9135, 9396, 9744, 9765, 10044, 10080, 10416, 10440, 10788, 10962, 11160, 11340, 11718, 11745, 12180, 12528, 12555, 12586, 12960, 13020, 13392, 13485, 13920, 14384, 14616, 14880, 15120, 15624, 15660, 16182, 16240, 16443, 16740, 17360, 17577, 17980, 18144, 18270, 18792, 18879, 19488, 19530, 20088, 20832, 20880, 21576, 21924, 22320, 22680, 23436, 23490, 24273, 24360, 25056, 25110, 25172, 26040, 26784, 26970, 27405, 28768, 29232, 29295, 30240, 31248, 31320, 31465, 32364, 32480, 32886, 33480, 34720, 35154, 35960, 36540, 37584, 37758, 39060, 40176, 40455, 41760, 43152, 43848, 44640, 45360, 46872, 46980, 48546, 48720, 50220, 50344, 52080, 53940, 54810, 56637, 58464, 58590, 62496, 62640, 62930, 64728, 65772, 66960, 70308, 71920, 72819, 73080, 75168, 75516, 78120, 80352, 80910, 82215, 86304, 87696, 87885, 90720, 93744, 93960, 94395, 97092, 97440, 100440, 100688, 104160, 107880, 109620, 113274, 117180, 121365, 125280, 125860, 129456, 131544, 133920, 140616, 143840, 145638, 146160, 151032, 156240, 161820, 164430, 169911, 175392, 175770, 187488, 187920, 188790, 194184, 200880, 201376, 215760, 219240, 226548, 234360, 242730, 251720, 258912, 263088, 281232, 283185, 291276, 292320, 302064, 312480, 323640, 328860, 339822, 351540, 364095, 375840, 377580, 388368, 401760, 431520, 438480, 453096, 468720, 485460, 503440, 509733, 526176, 562464, 566370, 582552, 604128, 647280, 657720, 679644, 703080, 728190, 755160, 776736, 849555, 876960, 906192, 937440, 970920, 1006880, 1019466, 1132740, 1165104, 1294560, 1315440, 1359288, 1406160, 1456380, 1510320, 1699110, 1812384, 1941840, 2038932, 2265480, 2330208, 2548665, 2630880, 2718576, 2812320, 2912760, 3020640, 3398220, 3883680, 4077864, 4530960, 5097330, 5437152, 5825520, 6796440, 8155728, 9061920, 10194660, 11651040, 13592880, 16311456, 20389320, 27185760, 40778640, 81557280]

約数ペア:

[(1, 81557280), (2, 40778640), (3, 27185760), (4, 20389320), (5, 16311456), (6, 13592880), (7, 11651040), (8, 10194660), (9, 9061920), (10, 8155728), (12, 6796440), (14, 5825520), (15, 5437152), (16, 5097330), (18, 4530960), (20, 4077864), (21, 3883680), (24, 3398220), (27, 3020640), (28, 2912760), (29, 2812320), (30, 2718576), (31, 2630880), (32, 2548665), (35, 2330208), (36, 2265480), (40, 2038932), (42, 1941840), (45, 1812384), (48, 1699110), (54, 1510320), (56, 1456380), (58, 1406160), (60, 1359288), (62, 1315440), (63, 1294560), (70, 1165104), (72, 1132740), (80, 1019466), (81, 1006880), (84, 970920), (87, 937440), (90, 906192), (93, 876960), (96, 849555), (105, 776736), (108, 755160), (112, 728190), (116, 703080), (120, 679644), (124, 657720), (126, 647280), (135, 604128), (140, 582552), (144, 566370), (145, 562464), (155, 526176), (160, 509733), (162, 503440), (168, 485460), (174, 468720), (180, 453096), (186, 438480), (189, 431520), (203, 401760), (210, 388368), (216, 377580), (217, 375840), (224, 364095), (232, 351540), (240, 339822), (248, 328860), (252, 323640), (261, 312480), (270, 302064), (279, 292320), (280, 291276), (288, 283185), (290, 281232), (310, 263088), (315, 258912), (324, 251720), (336, 242730), (348, 234360), (360, 226548), (372, 219240), (378, 215760), (405, 201376), (406, 200880), (420, 194184), (432, 188790), (434, 187920), (435, 187488), (464, 175770), (465, 175392), (480, 169911), (496, 164430), (504, 161820), (522, 156240), (540, 151032), (558, 146160), (560, 145638), (567, 143840), (580, 140616), (609, 133920), (620, 131544), (630, 129456), (648, 125860), (651, 125280), (672, 121365), (696, 117180), (720, 113274), (744, 109620), (756, 107880), (783, 104160), (810, 100688), (812, 100440), (837, 97440), (840, 97092), (864, 94395), (868, 93960), (870, 93744), (899, 90720), (928, 87885), (930, 87696), (945, 86304), (992, 82215), (1008, 80910), (1015, 80352), (1044, 78120), (1080, 75516), (1085, 75168), (1116, 73080), (1120, 72819), (1134, 71920), (1160, 70308), (1218, 66960), (1240, 65772), (1260, 64728), (1296, 62930), (1302, 62640), (1305, 62496), (1392, 58590), (1395, 58464), (1440, 56637), (1488, 54810), (1512, 53940), (1566, 52080), (1620, 50344), (1624, 50220), (1674, 48720), (1680, 48546), (1736, 46980), (1740, 46872), (1798, 45360), (1827, 44640), (1860, 43848), (1890, 43152), (1953, 41760), (2016, 40455), (2030, 40176), (2088, 39060), (2160, 37758), (2170, 37584), (2232, 36540), (2268, 35960), (2320, 35154), (2349, 34720), (2436, 33480), (2480, 32886), (2511, 32480), (2520, 32364), (2592, 31465), (2604, 31320), (2610, 31248), (2697, 30240), (2784, 29295), (2790, 29232), (2835, 28768), (2976, 27405), (3024, 26970), (3045, 26784), (3132, 26040), (3240, 25172), (3248, 25110), (3255, 25056), (3348, 24360), (3360, 24273), (3472, 23490), (3480, 23436), (3596, 22680), (3654, 22320), (3720, 21924), (3780, 21576), (3906, 20880), (3915, 20832), (4060, 20088), (4176, 19530), (4185, 19488), (4320, 18879), (4340, 18792), (4464, 18270), (4495, 18144), (4536, 17980), (4640, 17577), (4698, 17360), (4872, 16740), (4960, 16443), (5022, 16240), (5040, 16182), (5208, 15660), (5220, 15624), (5394, 15120), (5481, 14880), (5580, 14616), (5670, 14384), (5859, 13920), (6048, 13485), (6090, 13392), (6264, 13020), (6293, 12960), (6480, 12586), (6496, 12555), (6510, 12528), (6696, 12180), (6944, 11745), (6960, 11718), (7192, 11340), (7308, 11160), (7440, 10962), (7560, 10788), (7812, 10440), (7830, 10416), (8091, 10080), (8120, 10044), (8352, 9765), (8370, 9744), (8680, 9396), (8928, 9135), (8990, 9072)]