20486545920

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3187}}^1$

素因数の和:3253

約数の個数: 400

約数和(自身を含む): 75767079168

約数和(自身を除く): 55280533248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 248, 256, 270, 279, 288, 310, 320, 324, 360, 372, 384, 405, 432, 465, 480, 496, 512, 540, 558, 576, 620, 640, 648, 720, 744, 768, 810, 837, 864, 930, 960, 992, 1080, 1116, 1152, 1240, 1280, 1296, 1395, 1440, 1488, 1536, 1620, 1674, 1728, 1860, 1920, 1984, 2160, 2232, 2304, 2480, 2511, 2560, 2592, 2790, 2880, 2976, 3187, 3240, 3348, 3456, 3720, 3840, 3968, 4185, 4320, 4464, 4608, 4960, 5022, 5184, 5580, 5760, 5952, 6374, 6480, 6696, 6912, 7440, 7680, 7936, 8370, 8640, 8928, 9561, 9920, 10044, 10368, 11160, 11520, 11904, 12555, 12748, 12960, 13392, 13824, 14880, 15872, 15935, 16740, 17280, 17856, 19122, 19840, 20088, 20736, 22320, 23040, 23808, 25110, 25496, 25920, 26784, 28683, 29760, 31870, 33480, 34560, 35712, 38244, 39680, 40176, 41472, 44640, 47616, 47805, 50220, 50992, 51840, 53568, 57366, 59520, 63740, 66960, 69120, 71424, 76488, 79360, 80352, 86049, 89280, 95610, 98797, 100440, 101984, 103680, 107136, 114732, 119040, 127480, 133920, 142848, 143415, 152976, 160704, 172098, 178560, 191220, 197594, 200880, 203968, 207360, 214272, 229464, 238080, 254960, 258147, 267840, 286830, 296391, 305952, 321408, 344196, 357120, 382440, 395188, 401760, 407936, 428544, 430245, 458928, 493985, 509920, 516294, 535680, 573660, 592782, 611904, 642816, 688392, 714240, 764880, 790376, 803520, 815872, 860490, 889173, 917856, 987970, 1019840, 1032588, 1071360, 1147320, 1185564, 1223808, 1285632, 1290735, 1376784, 1481955, 1529760, 1580752, 1607040, 1631744, 1720980, 1778346, 1835712, 1975940, 2039680, 2065176, 2142720, 2294640, 2371128, 2447616, 2581470, 2667519, 2753568, 2963910, 3059520, 3161504, 3214080, 3441960, 3556692, 3671424, 3951880, 4079360, 4130352, 4445865, 4589280, 4742256, 4895232, 5162940, 5335038, 5507136, 5927820, 6119040, 6323008, 6428160, 6883920, 7113384, 7342848, 7903760, 8002557, 8158720, 8260704, 8891730, 9178560, 9484512, 10325880, 10670076, 11014272, 11855640, 12238080, 12646016, 13337595, 13767840, 14226768, 14685696, 15807520, 16005114, 16521408, 17783460, 18357120, 18969024, 20651760, 21340152, 22028544, 23711280, 24476160, 25292032, 26675190, 27535680, 28453536, 31615040, 32010228, 33042816, 35566920, 36714240, 37938048, 40012785, 41303520, 42680304, 44057088, 47422560, 50584064, 53350380, 55071360, 56907072, 63230080, 64020456, 66085632, 71133840, 73428480, 75876096, 80025570, 82607040, 85360608, 94845120, 106700760, 110142720, 113814144, 126460160, 128040912, 132171264, 142267680, 151752192, 160051140, 165214080, 170721216, 189690240, 213401520, 220285440, 227628288, 252920320, 256081824, 284535360, 320102280, 330428160, 341442432, 379380480, 426803040, 455256576, 512163648, 569070720, 640204560, 660856320, 682884864, 758760960, 853606080, 1024327296, 1138141440, 1280409120, 1365769728, 1707212160, 2048654592, 2276282880, 2560818240, 3414424320, 4097309184, 5121636480, 6828848640, 10243272960, 20486545920]

約数ペア:

[(1, 20486545920), (2, 10243272960), (3, 6828848640), (4, 5121636480), (5, 4097309184), (6, 3414424320), (8, 2560818240), (9, 2276282880), (10, 2048654592), (12, 1707212160), (15, 1365769728), (16, 1280409120), (18, 1138141440), (20, 1024327296), (24, 853606080), (27, 758760960), (30, 682884864), (31, 660856320), (32, 640204560), (36, 569070720), (40, 512163648), (45, 455256576), (48, 426803040), (54, 379380480), (60, 341442432), (62, 330428160), (64, 320102280), (72, 284535360), (80, 256081824), (81, 252920320), (90, 227628288), (93, 220285440), (96, 213401520), (108, 189690240), (120, 170721216), (124, 165214080), (128, 160051140), (135, 151752192), (144, 142267680), (155, 132171264), (160, 128040912), (162, 126460160), (180, 113814144), (186, 110142720), (192, 106700760), (216, 94845120), (240, 85360608), (248, 82607040), (256, 80025570), (270, 75876096), (279, 73428480), (288, 71133840), (310, 66085632), (320, 64020456), (324, 63230080), (360, 56907072), (372, 55071360), (384, 53350380), (405, 50584064), (432, 47422560), (465, 44057088), (480, 42680304), (496, 41303520), (512, 40012785), (540, 37938048), (558, 36714240), (576, 35566920), (620, 33042816), (640, 32010228), (648, 31615040), (720, 28453536), (744, 27535680), (768, 26675190), (810, 25292032), (837, 24476160), (864, 23711280), (930, 22028544), (960, 21340152), (992, 20651760), (1080, 18969024), (1116, 18357120), (1152, 17783460), (1240, 16521408), (1280, 16005114), (1296, 15807520), (1395, 14685696), (1440, 14226768), (1488, 13767840), (1536, 13337595), (1620, 12646016), (1674, 12238080), (1728, 11855640), (1860, 11014272), (1920, 10670076), (1984, 10325880), (2160, 9484512), (2232, 9178560), (2304, 8891730), (2480, 8260704), (2511, 8158720), (2560, 8002557), (2592, 7903760), (2790, 7342848), (2880, 7113384), (2976, 6883920), (3187, 6428160), (3240, 6323008), (3348, 6119040), (3456, 5927820), (3720, 5507136), (3840, 5335038), (3968, 5162940), (4185, 4895232), (4320, 4742256), (4464, 4589280), (4608, 4445865), (4960, 4130352), (5022, 4079360), (5184, 3951880), (5580, 3671424), (5760, 3556692), (5952, 3441960), (6374, 3214080), (6480, 3161504), (6696, 3059520), (6912, 2963910), (7440, 2753568), (7680, 2667519), (7936, 2581470), (8370, 2447616), (8640, 2371128), (8928, 2294640), (9561, 2142720), (9920, 2065176), (10044, 2039680), (10368, 1975940), (11160, 1835712), (11520, 1778346), (11904, 1720980), (12555, 1631744), (12748, 1607040), (12960, 1580752), (13392, 1529760), (13824, 1481955), (14880, 1376784), (15872, 1290735), (15935, 1285632), (16740, 1223808), (17280, 1185564), (17856, 1147320), (19122, 1071360), (19840, 1032588), (20088, 1019840), (20736, 987970), (22320, 917856), (23040, 889173), (23808, 860490), (25110, 815872), (25496, 803520), (25920, 790376), (26784, 764880), (28683, 714240), (29760, 688392), (31870, 642816), (33480, 611904), (34560, 592782), (35712, 573660), (38244, 535680), (39680, 516294), (40176, 509920), (41472, 493985), (44640, 458928), (47616, 430245), (47805, 428544), (50220, 407936), (50992, 401760), (51840, 395188), (53568, 382440), (57366, 357120), (59520, 344196), (63740, 321408), (66960, 305952), (69120, 296391), (71424, 286830), (76488, 267840), (79360, 258147), (80352, 254960), (86049, 238080), (89280, 229464), (95610, 214272), (98797, 207360), (100440, 203968), (101984, 200880), (103680, 197594), (107136, 191220), (114732, 178560), (119040, 172098), (127480, 160704), (133920, 152976), (142848, 143415)]