639601920

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 360

約数和(自身を含む): 2374310400

約数和(自身を除く): 1734708480

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, 199, 216, 240, 248, 256, 270, 279, 288, 310, 320, 324, 360, 372, 384, 398, 405, 432, 465, 480, 496, 540, 558, 576, 597, 620, 640, 648, 720, 744, 768, 796, 810, 837, 864, 930, 960, 992, 995, 1080, 1116, 1152, 1194, 1240, 1280, 1296, 1395, 1440, 1488, 1592, 1620, 1674, 1728, 1791, 1860, 1920, 1984, 1990, 2160, 2232, 2304, 2388, 2480, 2511, 2592, 2790, 2880, 2976, 2985, 3184, 3240, 3348, 3456, 3582, 3720, 3840, 3968, 3980, 4185, 4320, 4464, 4776, 4960, 5022, 5184, 5373, 5580, 5760, 5952, 5970, 6169, 6368, 6480, 6696, 6912, 7164, 7440, 7936, 7960, 8370, 8640, 8928, 8955, 9552, 9920, 10044, 10368, 10746, 11160, 11520, 11904, 11940, 12338, 12555, 12736, 12960, 13392, 14328, 14880, 15920, 16119, 16740, 17280, 17856, 17910, 18507, 19104, 19840, 20088, 20736, 21492, 22320, 23808, 23880, 24676, 25110, 25472, 25920, 26784, 26865, 28656, 29760, 30845, 31840, 32238, 33480, 34560, 35712, 35820, 37014, 38208, 39680, 40176, 42984, 44640, 47760, 49352, 50220, 50944, 51840, 53568, 53730, 55521, 57312, 59520, 61690, 63680, 64476, 66960, 71424, 71640, 74028, 76416, 80352, 80595, 85968, 89280, 92535, 95520, 98704, 100440, 103680, 107136, 107460, 111042, 114624, 119040, 123380, 127360, 128952, 133920, 143280, 148056, 152832, 160704, 161190, 166563, 171936, 178560, 185070, 191040, 197408, 200880, 214272, 214920, 222084, 229248, 246760, 254720, 257904, 267840, 277605, 286560, 296112, 321408, 322380, 333126, 343872, 357120, 370140, 382080, 394816, 401760, 429840, 444168, 458496, 493520, 499689, 515808, 535680, 555210, 573120, 592224, 642816, 644760, 666252, 687744, 740280, 764160, 789632, 803520, 832815, 859680, 888336, 987040, 999378, 1031616, 1071360, 1110420, 1146240, 1184448, 1289520, 1332504, 1375488, 1480560, 1579264, 1607040, 1665630, 1719360, 1776672, 1974080, 1998756, 2063232, 2220840, 2292480, 2368896, 2498445, 2579040, 2665008, 2961120, 3214080, 3331260, 3438720, 3553344, 3948160, 3997512, 4126464, 4441680, 4737792, 4996890, 5158080, 5330016, 5922240, 6662520, 6877440, 7106688, 7896320, 7995024, 8883360, 9993780, 10316160, 10660032, 11844480, 13325040, 14213376, 15990048, 17766720, 19987560, 20632320, 21320064, 23688960, 26650080, 31980096, 35533440, 39975120, 42640128, 53300160, 63960192, 71066880, 79950240, 106600320, 127920384, 159900480, 213200640, 319800960, 639601920]

約数ペア:

[(1, 639601920), (2, 319800960), (3, 213200640), (4, 159900480), (5, 127920384), (6, 106600320), (8, 79950240), (9, 71066880), (10, 63960192), (12, 53300160), (15, 42640128), (16, 39975120), (18, 35533440), (20, 31980096), (24, 26650080), (27, 23688960), (30, 21320064), (31, 20632320), (32, 19987560), (36, 17766720), (40, 15990048), (45, 14213376), (48, 13325040), (54, 11844480), (60, 10660032), (62, 10316160), (64, 9993780), (72, 8883360), (80, 7995024), (81, 7896320), (90, 7106688), (93, 6877440), (96, 6662520), (108, 5922240), (120, 5330016), (124, 5158080), (128, 4996890), (135, 4737792), (144, 4441680), (155, 4126464), (160, 3997512), (162, 3948160), (180, 3553344), (186, 3438720), (192, 3331260), (199, 3214080), (216, 2961120), (240, 2665008), (248, 2579040), (256, 2498445), (270, 2368896), (279, 2292480), (288, 2220840), (310, 2063232), (320, 1998756), (324, 1974080), (360, 1776672), (372, 1719360), (384, 1665630), (398, 1607040), (405, 1579264), (432, 1480560), (465, 1375488), (480, 1332504), (496, 1289520), (540, 1184448), (558, 1146240), (576, 1110420), (597, 1071360), (620, 1031616), (640, 999378), (648, 987040), (720, 888336), (744, 859680), (768, 832815), (796, 803520), (810, 789632), (837, 764160), (864, 740280), (930, 687744), (960, 666252), (992, 644760), (995, 642816), (1080, 592224), (1116, 573120), (1152, 555210), (1194, 535680), (1240, 515808), (1280, 499689), (1296, 493520), (1395, 458496), (1440, 444168), (1488, 429840), (1592, 401760), (1620, 394816), (1674, 382080), (1728, 370140), (1791, 357120), (1860, 343872), (1920, 333126), (1984, 322380), (1990, 321408), (2160, 296112), (2232, 286560), (2304, 277605), (2388, 267840), (2480, 257904), (2511, 254720), (2592, 246760), (2790, 229248), (2880, 222084), (2976, 214920), (2985, 214272), (3184, 200880), (3240, 197408), (3348, 191040), (3456, 185070), (3582, 178560), (3720, 171936), (3840, 166563), (3968, 161190), (3980, 160704), (4185, 152832), (4320, 148056), (4464, 143280), (4776, 133920), (4960, 128952), (5022, 127360), (5184, 123380), (5373, 119040), (5580, 114624), (5760, 111042), (5952, 107460), (5970, 107136), (6169, 103680), (6368, 100440), (6480, 98704), (6696, 95520), (6912, 92535), (7164, 89280), (7440, 85968), (7936, 80595), (7960, 80352), (8370, 76416), (8640, 74028), (8928, 71640), (8955, 71424), (9552, 66960), (9920, 64476), (10044, 63680), (10368, 61690), (10746, 59520), (11160, 57312), (11520, 55521), (11904, 53730), (11940, 53568), (12338, 51840), (12555, 50944), (12736, 50220), (12960, 49352), (13392, 47760), (14328, 44640), (14880, 42984), (15920, 40176), (16119, 39680), (16740, 38208), (17280, 37014), (17856, 35820), (17910, 35712), (18507, 34560), (19104, 33480), (19840, 32238), (20088, 31840), (20736, 30845), (21492, 29760), (22320, 28656), (23808, 26865), (23880, 26784), (24676, 25920), (25110, 25472)]