21284709120

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19867}}^1$

素因数の和:19928

約数の個数: 288

約数和(自身を含む): 77971568640

約数和(自身を除く): 56686859520

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, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 256, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 480, 496, 540, 558, 576, 620, 640, 720, 744, 768, 837, 864, 930, 960, 992, 1080, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1674, 1728, 1860, 1920, 1984, 2160, 2232, 2304, 2480, 2790, 2880, 2976, 3348, 3456, 3720, 3840, 3968, 4185, 4320, 4464, 4960, 5580, 5760, 5952, 6696, 6912, 7440, 7936, 8370, 8640, 8928, 9920, 11160, 11520, 11904, 13392, 14880, 16740, 17280, 17856, 19840, 19867, 22320, 23808, 26784, 29760, 33480, 34560, 35712, 39680, 39734, 44640, 53568, 59520, 59601, 66960, 71424, 79468, 89280, 99335, 107136, 119040, 119202, 133920, 158936, 178560, 178803, 198670, 214272, 238404, 267840, 298005, 317872, 357120, 357606, 397340, 476808, 535680, 536409, 596010, 615877, 635744, 715212, 794680, 894015, 953616, 1071360, 1072818, 1192020, 1231754, 1271488, 1430424, 1589360, 1788030, 1847631, 1907232, 2145636, 2384040, 2463508, 2542976, 2682045, 2860848, 3079385, 3178720, 3576060, 3695262, 3814464, 4291272, 4768080, 4927016, 5085952, 5364090, 5542893, 5721696, 6158770, 6357440, 7152120, 7390524, 7628928, 8582544, 9238155, 9536160, 9854032, 10728180, 11085786, 11443392, 12317540, 12714880, 14304240, 14781048, 15257856, 16628679, 17165088, 18476310, 19072320, 19708064, 21456360, 22171572, 22886784, 24635080, 25429760, 27714465, 28608480, 29562096, 33257358, 34330176, 36952620, 38144640, 39416128, 42912720, 44343144, 45773568, 49270160, 55428930, 57216960, 59124192, 66514716, 68660352, 73905240, 76289280, 78832256, 83143395, 85825440, 88686288, 98540320, 110857860, 114433920, 118248384, 133029432, 137320704, 147810480, 157664512, 166286790, 171650880, 177372576, 197080640, 221715720, 228867840, 236496768, 266058864, 295620960, 332573580, 343301760, 354745152, 394161280, 443431440, 472993536, 532117728, 591241920, 665147160, 686603520, 709490304, 788322560, 886862880, 1064235456, 1182483840, 1330294320, 1418980608, 1773725760, 2128470912, 2364967680, 2660588640, 3547451520, 4256941824, 5321177280, 7094903040, 10642354560, 21284709120]

約数ペア:

[(1, 21284709120), (2, 10642354560), (3, 7094903040), (4, 5321177280), (5, 4256941824), (6, 3547451520), (8, 2660588640), (9, 2364967680), (10, 2128470912), (12, 1773725760), (15, 1418980608), (16, 1330294320), (18, 1182483840), (20, 1064235456), (24, 886862880), (27, 788322560), (30, 709490304), (31, 686603520), (32, 665147160), (36, 591241920), (40, 532117728), (45, 472993536), (48, 443431440), (54, 394161280), (60, 354745152), (62, 343301760), (64, 332573580), (72, 295620960), (80, 266058864), (90, 236496768), (93, 228867840), (96, 221715720), (108, 197080640), (120, 177372576), (124, 171650880), (128, 166286790), (135, 157664512), (144, 147810480), (155, 137320704), (160, 133029432), (180, 118248384), (186, 114433920), (192, 110857860), (216, 98540320), (240, 88686288), (248, 85825440), (256, 83143395), (270, 78832256), (279, 76289280), (288, 73905240), (310, 68660352), (320, 66514716), (360, 59124192), (372, 57216960), (384, 55428930), (432, 49270160), (465, 45773568), (480, 44343144), (496, 42912720), (540, 39416128), (558, 38144640), (576, 36952620), (620, 34330176), (640, 33257358), (720, 29562096), (744, 28608480), (768, 27714465), (837, 25429760), (864, 24635080), (930, 22886784), (960, 22171572), (992, 21456360), (1080, 19708064), (1116, 19072320), (1152, 18476310), (1240, 17165088), (1280, 16628679), (1395, 15257856), (1440, 14781048), (1488, 14304240), (1674, 12714880), (1728, 12317540), (1860, 11443392), (1920, 11085786), (1984, 10728180), (2160, 9854032), (2232, 9536160), (2304, 9238155), (2480, 8582544), (2790, 7628928), (2880, 7390524), (2976, 7152120), (3348, 6357440), (3456, 6158770), (3720, 5721696), (3840, 5542893), (3968, 5364090), (4185, 5085952), (4320, 4927016), (4464, 4768080), (4960, 4291272), (5580, 3814464), (5760, 3695262), (5952, 3576060), (6696, 3178720), (6912, 3079385), (7440, 2860848), (7936, 2682045), (8370, 2542976), (8640, 2463508), (8928, 2384040), (9920, 2145636), (11160, 1907232), (11520, 1847631), (11904, 1788030), (13392, 1589360), (14880, 1430424), (16740, 1271488), (17280, 1231754), (17856, 1192020), (19840, 1072818), (19867, 1071360), (22320, 953616), (23808, 894015), (26784, 794680), (29760, 715212), (33480, 635744), (34560, 615877), (35712, 596010), (39680, 536409), (39734, 535680), (44640, 476808), (53568, 397340), (59520, 357606), (59601, 357120), (66960, 317872), (71424, 298005), (79468, 267840), (89280, 238404), (99335, 214272), (107136, 198670), (119040, 178803), (119202, 178560), (133920, 158936)]