491364390720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:643

約数の個数: 896

約数和(自身を含む): 1900366064640

約数和(自身を除く): 1409001673920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 53, 56, 58, 60, 64, 70, 80, 84, 87, 96, 105, 106, 112, 113, 116, 120, 140, 145, 159, 160, 168, 174, 192, 203, 210, 212, 224, 226, 232, 240, 265, 280, 290, 318, 320, 336, 339, 348, 371, 406, 420, 421, 424, 435, 448, 452, 464, 480, 530, 560, 565, 580, 609, 636, 672, 678, 696, 742, 791, 795, 812, 840, 842, 848, 870, 904, 928, 960, 1015, 1060, 1113, 1120, 1130, 1160, 1218, 1263, 1272, 1344, 1356, 1392, 1484, 1537, 1582, 1590, 1624, 1680, 1684, 1695, 1696, 1740, 1808, 1855, 1856, 2030, 2105, 2120, 2226, 2240, 2260, 2320, 2373, 2436, 2526, 2544, 2712, 2784, 2947, 2968, 3045, 3074, 3164, 3180, 3248, 3277, 3360, 3368, 3390, 3392, 3480, 3616, 3710, 3955, 4060, 4210, 4240, 4452, 4520, 4611, 4640, 4746, 4872, 5052, 5088, 5424, 5565, 5568, 5894, 5936, 5989, 6090, 6148, 6315, 6328, 6360, 6496, 6554, 6720, 6736, 6780, 6960, 7232, 7420, 7685, 7910, 8120, 8420, 8480, 8841, 8904, 9040, 9222, 9280, 9492, 9744, 9831, 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759360, 761168, 780955, 781376, 786480, 838460, 854630, 860720, 868405, 892520, 917560, 937146, 943040, 951460, 958240, 976720, 999033, 1006152, 1025556, 1032864, 1042086, 1048640, 1071024, 1101072, 1141752, 1149888, 1172064, 1215767, 1249528, 1257690, 1281945, 1291080, 1294154, 1332044, 1338780, 1341536, 1367408, 1376340, 1379617, 1389448, 1414560, 1427190, 1428032, 1437360, 1465080, 1468096, 1475520, 1522336, 1561910, 1572960, 1665055, 1676920, 1709260, 1721440, 1736810, 1785040, 1835120, 1874292, 1902920, 1916480, 1941231, 1953440, 1998066, 2012304, 2051112, 2065728, 2084172, 2142048, 2202144, 2283504, 2342865, 2344128, 2431534, 2499056, 2515380, 2521369, 2563890, 2582160, 2588308, 2605215, 2664088, 2677560, 2683072, 2734816, 2752680, 2759234, 2778896, 2829120, 2854380, 2874720, 2930160, 3044672, 3123820, 3145920, 3235385, 3330110, 3353840, 3418520, 3442880, 3473620, 3570080, 3647301, 3670240, 3748584, 3805840, 3882462, 3906880, 3996132, 4024608, 4102224, 4138851, 4168344, 4284096, 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約数ペア:

[(1, 491364390720), (2, 245682195360), (3, 163788130240), (4, 122841097680), (5, 98272878144), (6, 81894065120), (7, 70194912960), (8, 61420548840), (10, 49136439072), (12, 40947032560), (14, 35097456480), (15, 32757626048), (16, 30710274420), (20, 24568219536), (21, 23398304320), (24, 20473516280), (28, 17548728240), (29, 16943599680), (30, 16378813024), (32, 15355137210), (35, 14038982592), (40, 12284109768), (42, 11699152160), (48, 10236758140), (53, 9271026240), (56, 8774364120), (58, 8471799840), (60, 8189406512), (64, 7677568605), (70, 7019491296), (80, 6142054884), (84, 5849576080), (87, 5647866560), (96, 5118379070), (105, 4679660864), (106, 4635513120), (112, 4387182060), (113, 4348357440), (116, 4235899920), (120, 4094703256), (140, 3509745648), (145, 3388719936), (159, 3090342080), (160, 3071027442), (168, 2924788040), (174, 2823933280), (192, 2559189535), (203, 2420514240), (210, 2339830432), (212, 2317756560), (224, 2193591030), (226, 2174178720), (232, 2117949960), (240, 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976720), (512778, 958240), (516432, 951460), (521043, 943040), (524320, 937146), (535512, 917560), (550536, 892520), (565824, 868405), (570876, 860720), (574944, 854630), (586032, 838460), (624764, 786480), (628845, 781376), (629184, 780955), (645540, 761168), (647077, 759360), (666022, 737760), (669390, 734048), (670768, 732540), (683704, 718680), (688170, 714016), (688576, 713595), (694724, 707280)]