21585997440

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{76481}}^1$

素因数の和:76520

約数の個数: 288

約数和(自身を含む): 86709937860

約数和(自身を除く): 65123940420

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 640, 672, 720, 735, 784, 840, 882, 896, 960, 980, 1008, 1120, 1152, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1920, 1960, 2016, 2205, 2240, 2352, 2520, 2688, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4480, 4704, 5040, 5760, 5880, 6272, 6720, 7056, 7840, 8064, 8820, 9408, 10080, 11760, 13440, 14112, 15680, 17640, 18816, 20160, 23520, 28224, 31360, 35280, 40320, 47040, 56448, 70560, 76481, 94080, 141120, 152962, 229443, 282240, 305924, 382405, 458886, 535367, 611848, 688329, 764810, 917772, 1070734, 1147215, 1223696, 1376658, 1529620, 1606101, 1835544, 2141468, 2294430, 2447392, 2676835, 2753316, 3059240, 3212202, 3441645, 3671088, 3747569, 4282936, 4588860, 4818303, 4894784, 5353670, 5506632, 6118480, 6424404, 6883290, 7342176, 7495138, 8030505, 8565872, 9177720, 9636606, 9789568, 10707340, 11013264, 11242707, 12236960, 12848808, 13766580, 14684352, 14990276, 16061010, 17131744, 18355440, 18737845, 19273212, 21414680, 22026528, 22485414, 24091515, 24473920, 25697616, 27533160, 29368704, 29980552, 32122020, 33728121, 34263488, 36710880, 37475690, 38546424, 42829360, 44053056, 44970828, 48183030, 48947840, 51395232, 55066320, 56213535, 59961104, 64244040, 67456242, 68526976, 73421760, 74951380, 77092848, 85658720, 88106112, 89941656, 96366060, 102790464, 110132640, 112427070, 119922208, 128488080, 134912484, 146843520, 149902760, 154185696, 168640605, 171317440, 179883312, 192732120, 205580928, 220265280, 224854140, 239844416, 256976160, 269824968, 299805520, 308371392, 337281210, 342634880, 359766624, 385464240, 440530560, 449708280, 479688832, 513952320, 539649936, 599611040, 616742784, 674562420, 719533248, 770928480, 899416560, 1027904640, 1079299872, 1199222080, 1349124840, 1439066496, 1541856960, 1798833120, 2158599744, 2398444160, 2698249680, 3083713920, 3597666240, 4317199488, 5396499360, 7195332480, 10792998720, 21585997440]

約数ペア:

[(1, 21585997440), (2, 10792998720), (3, 7195332480), (4, 5396499360), (5, 4317199488), (6, 3597666240), (7, 3083713920), (8, 2698249680), (9, 2398444160), (10, 2158599744), (12, 1798833120), (14, 1541856960), (15, 1439066496), (16, 1349124840), (18, 1199222080), (20, 1079299872), (21, 1027904640), (24, 899416560), (28, 770928480), (30, 719533248), (32, 674562420), (35, 616742784), (36, 599611040), (40, 539649936), (42, 513952320), (45, 479688832), (48, 449708280), (49, 440530560), (56, 385464240), (60, 359766624), (63, 342634880), (64, 337281210), (70, 308371392), (72, 299805520), (80, 269824968), (84, 256976160), (90, 239844416), (96, 224854140), (98, 220265280), (105, 205580928), (112, 192732120), (120, 179883312), (126, 171317440), (128, 168640605), (140, 154185696), (144, 149902760), (147, 146843520), (160, 134912484), (168, 128488080), (180, 119922208), (192, 112427070), (196, 110132640), (210, 102790464), (224, 96366060), (240, 89941656), (245, 88106112), (252, 85658720), (280, 77092848), (288, 74951380), (294, 73421760), (315, 68526976), (320, 67456242), (336, 64244040), (360, 59961104), (384, 56213535), (392, 55066320), (420, 51395232), (441, 48947840), (448, 48183030), (480, 44970828), (490, 44053056), (504, 42829360), (560, 38546424), (576, 37475690), (588, 36710880), (630, 34263488), (640, 33728121), (672, 32122020), (720, 29980552), (735, 29368704), (784, 27533160), (840, 25697616), (882, 24473920), (896, 24091515), (960, 22485414), (980, 22026528), (1008, 21414680), (1120, 19273212), (1152, 18737845), (1176, 18355440), (1260, 17131744), (1344, 16061010), (1440, 14990276), (1470, 14684352), (1568, 13766580), (1680, 12848808), (1764, 12236960), (1920, 11242707), (1960, 11013264), (2016, 10707340), (2205, 9789568), (2240, 9636606), (2352, 9177720), (2520, 8565872), (2688, 8030505), (2880, 7495138), (2940, 7342176), (3136, 6883290), (3360, 6424404), (3528, 6118480), (3920, 5506632), (4032, 5353670), (4410, 4894784), (4480, 4818303), (4704, 4588860), (5040, 4282936), (5760, 3747569), (5880, 3671088), (6272, 3441645), (6720, 3212202), (7056, 3059240), (7840, 2753316), (8064, 2676835), (8820, 2447392), (9408, 2294430), (10080, 2141468), (11760, 1835544), (13440, 1606101), (14112, 1529620), (15680, 1376658), (17640, 1223696), (18816, 1147215), (20160, 1070734), (23520, 917772), (28224, 764810), (31360, 688329), (35280, 611848), (40320, 535367), (47040, 458886), (56448, 382405), (70560, 305924), (76481, 282240), (94080, 229443), (141120, 152962)]