20617156800

素因数分解:

$2^6\times 3^4\times 5^2\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:910

約数の個数: 420

約数和(自身を含む): 76201264920

約数和(自身を除く): 55584108120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 81, 90, 96, 100, 108, 120, 135, 144, 150, 160, 162, 180, 192, 200, 216, 225, 240, 257, 270, 288, 300, 320, 324, 360, 400, 405, 432, 450, 480, 514, 540, 576, 600, 619, 648, 675, 720, 771, 800, 810, 864, 900, 960, 1028, 1080, 1200, 1238, 1285, 1296, 1350, 1440, 1542, 1600, 1620, 1728, 1800, 1857, 2025, 2056, 2160, 2313, 2400, 2476, 2570, 2592, 2700, 2880, 3084, 3095, 3240, 3600, 3714, 3855, 4050, 4112, 4320, 4626, 4800, 4952, 5140, 5184, 5400, 5571, 6168, 6190, 6425, 6480, 6939, 7200, 7428, 7710, 8100, 8224, 8640, 9252, 9285, 9904, 10280, 10800, 11142, 11565, 12336, 12380, 12850, 12960, 13878, 14400, 14856, 15420, 15475, 16200, 16448, 16713, 18504, 18570, 19275, 19808, 20560, 20817, 21600, 22284, 23130, 24672, 24760, 25700, 25920, 27756, 27855, 29712, 30840, 30950, 32400, 33426, 34695, 37008, 37140, 38550, 39616, 41120, 41634, 43200, 44568, 46260, 46425, 49344, 49520, 50139, 51400, 55512, 55710, 57825, 59424, 61680, 61900, 64800, 66852, 69390, 74016, 74280, 77100, 82240, 83268, 83565, 89136, 92520, 92850, 99040, 100278, 102800, 104085, 111024, 111420, 115650, 118848, 123360, 123800, 129600, 133704, 138780, 139275, 148032, 148560, 154200, 159083, 166536, 167130, 173475, 178272, 185040, 185700, 198080, 200556, 205600, 208170, 222048, 222840, 231300, 246720, 247600, 250695, 267408, 277560, 278550, 297120, 308400, 318166, 333072, 334260, 346950, 356544, 370080, 371400, 401112, 411200, 416340, 417825, 444096, 445680, 462600, 477249, 495200, 501390, 520425, 534816, 555120, 557100, 594240, 616800, 636332, 666144, 668520, 693900, 740160, 742800, 795415, 802224, 832680, 835650, 891360, 925200, 954498, 990400, 1002780, 1040850, 1069632, 1110240, 1114200, 1233600, 1253475, 1272664, 1332288, 1337040, 1387800, 1431747, 1485600, 1590830, 1604448, 1665360, 1671300, 1782720, 1850400, 1908996, 2005560, 2081700, 2220480, 2228400, 2386245, 2506950, 2545328, 2674080, 2775600, 2863494, 2971200, 3181660, 3208896, 3330720, 3342600, 3700800, 3817992, 3977075, 4011120, 4163400, 4295241, 4456800, 4772490, 5013900, 5090656, 5348160, 5551200, 5726988, 6363320, 6661440, 6685200, 7158735, 7635984, 7954150, 8022240, 8326800, 8590482, 8913600, 9544980, 10027800, 10181312, 11102400, 11453976, 11931225, 12726640, 12885723, 13370400, 14317470, 15271968, 15908300, 16044480, 16653600, 17180964, 19089960, 20055600, 21476205, 22907952, 23862450, 25453280, 25771446, 26740800, 28634940, 30543936, 31816600, 33307200, 34361928, 35793675, 38179920, 40111200, 42952410, 45815904, 47724900, 50906560, 51542892, 57269880, 63633200, 64428615, 68723856, 71587350, 76359840, 80222400, 85904820, 91631808, 95449800, 103085784, 107381025, 114539760, 127266400, 128857230, 137447712, 143174700, 152719680, 171809640, 190899600, 206171568, 214762050, 229079520, 254532800, 257714460, 274895424, 286349400, 322143075, 343619280, 381799200, 412343136, 429524100, 458159040, 515428920, 572698800, 644286150, 687238560, 763598400, 824686272, 859048200, 1030857840, 1145397600, 1288572300, 1374477120, 1718096400, 2061715680, 2290795200, 2577144600, 3436192800, 4123431360, 5154289200, 6872385600, 10308578400, 20617156800]

約数ペア:

[(1, 20617156800), (2, 10308578400), (3, 6872385600), (4, 5154289200), (5, 4123431360), (6, 3436192800), (8, 2577144600), (9, 2290795200), (10, 2061715680), (12, 1718096400), (15, 1374477120), (16, 1288572300), (18, 1145397600), (20, 1030857840), (24, 859048200), (25, 824686272), (27, 763598400), (30, 687238560), (32, 644286150), (36, 572698800), (40, 515428920), (45, 458159040), (48, 429524100), (50, 412343136), (54, 381799200), (60, 343619280), (64, 322143075), (72, 286349400), (75, 274895424), (80, 257714460), (81, 254532800), (90, 229079520), (96, 214762050), (100, 206171568), (108, 190899600), (120, 171809640), (135, 152719680), (144, 143174700), (150, 137447712), (160, 128857230), (162, 127266400), (180, 114539760), (192, 107381025), (200, 103085784), (216, 95449800), (225, 91631808), (240, 85904820), (257, 80222400), (270, 76359840), (288, 71587350), (300, 68723856), (320, 64428615), (324, 63633200), (360, 57269880), (400, 51542892), (405, 50906560), (432, 47724900), (450, 45815904), (480, 42952410), (514, 40111200), (540, 38179920), (576, 35793675), (600, 34361928), (619, 33307200), (648, 31816600), (675, 30543936), (720, 28634940), (771, 26740800), (800, 25771446), (810, 25453280), (864, 23862450), (900, 22907952), (960, 21476205), (1028, 20055600), (1080, 19089960), (1200, 17180964), (1238, 16653600), (1285, 16044480), (1296, 15908300), (1350, 15271968), (1440, 14317470), (1542, 13370400), (1600, 12885723), (1620, 12726640), (1728, 11931225), (1800, 11453976), (1857, 11102400), (2025, 10181312), (2056, 10027800), (2160, 9544980), (2313, 8913600), (2400, 8590482), (2476, 8326800), (2570, 8022240), (2592, 7954150), (2700, 7635984), (2880, 7158735), (3084, 6685200), (3095, 6661440), (3240, 6363320), (3600, 5726988), (3714, 5551200), (3855, 5348160), (4050, 5090656), (4112, 5013900), (4320, 4772490), (4626, 4456800), (4800, 4295241), (4952, 4163400), (5140, 4011120), (5184, 3977075), (5400, 3817992), (5571, 3700800), (6168, 3342600), (6190, 3330720), (6425, 3208896), (6480, 3181660), (6939, 2971200), (7200, 2863494), (7428, 2775600), (7710, 2674080), (8100, 2545328), (8224, 2506950), (8640, 2386245), (9252, 2228400), (9285, 2220480), (9904, 2081700), (10280, 2005560), (10800, 1908996), (11142, 1850400), (11565, 1782720), (12336, 1671300), (12380, 1665360), (12850, 1604448), (12960, 1590830), (13878, 1485600), (14400, 1431747), (14856, 1387800), (15420, 1337040), (15475, 1332288), (16200, 1272664), (16448, 1253475), (16713, 1233600), (18504, 1114200), (18570, 1110240), (19275, 1069632), (19808, 1040850), (20560, 1002780), (20817, 990400), (21600, 954498), (22284, 925200), (23130, 891360), (24672, 835650), (24760, 832680), (25700, 802224), (25920, 795415), (27756, 742800), (27855, 740160), (29712, 693900), (30840, 668520), (30950, 666144), (32400, 636332), (33426, 616800), (34695, 594240), (37008, 557100), (37140, 555120), (38550, 534816), (39616, 520425), (41120, 501390), (41634, 495200), (43200, 477249), (44568, 462600), (46260, 445680), (46425, 444096), (49344, 417825), (49520, 416340), (50139, 411200), (51400, 401112), (55512, 371400), (55710, 370080), (57825, 356544), (59424, 346950), (61680, 334260), (61900, 333072), (64800, 318166), (66852, 308400), (69390, 297120), (74016, 278550), (74280, 277560), (77100, 267408), (82240, 250695), (83268, 247600), (83565, 246720), (89136, 231300), (92520, 222840), (92850, 222048), (99040, 208170), (100278, 205600), (102800, 200556), (104085, 198080), (111024, 185700), (111420, 185040), (115650, 178272), (118848, 173475), (123360, 167130), (123800, 166536), (129600, 159083), (133704, 154200), (138780, 148560), (139275, 148032)]