640984421952

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1753}}^1$

素因数の和:1880

約数の個数: 896

約数和(自身を含む): 2383688806400

約数和(自身を除く): 1742704384448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 32, 36, 37, 38, 42, 43, 48, 54, 56, 57, 63, 64, 72, 74, 76, 84, 86, 96, 108, 111, 112, 114, 126, 129, 133, 144, 148, 152, 168, 171, 172, 189, 192, 216, 222, 224, 228, 252, 258, 259, 266, 288, 296, 301, 304, 333, 336, 342, 344, 378, 387, 399, 432, 444, 448, 456, 504, 513, 516, 518, 532, 576, 592, 602, 608, 666, 672, 684, 688, 703, 756, 774, 777, 798, 817, 864, 888, 903, 912, 999, 1008, 1026, 1032, 1036, 1064, 1161, 1184, 1197, 1204, 1216, 1332, 1344, 1368, 1376, 1406, 1512, 1548, 1554, 1591, 1596, 1634, 1728, 1753, 1776, 1806, 1824, 1998, 2016, 2052, 2064, 2072, 2109, 2128, 2322, 2331, 2368, 2394, 2408, 2451, 2664, 2709, 2736, 2752, 2812, 3024, 3096, 3108, 3182, 3192, 3268, 3506, 3552, 3591, 3612, 3648, 3996, 4032, 4104, 4128, 4144, 4218, 4256, 4644, 4662, 4773, 4788, 4816, 4902, 4921, 5259, 5328, 5418, 5472, 5624, 5719, 6048, 6192, 6216, 6327, 6364, 6384, 6536, 6993, 7012, 7104, 7182, 7224, 7353, 7992, 8127, 8208, 8256, 8288, 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約数ペア:

[(1, 640984421952), (2, 320492210976), (3, 213661473984), (4, 160246105488), (6, 106830736992), (7, 91569203136), (8, 80123052744), (9, 71220491328), (12, 53415368496), (14, 45784601568), (16, 40061526372), (18, 35610245664), (19, 33736022208), (21, 30523067712), (24, 26707684248), (27, 23740163776), (28, 22892300784), (32, 20030763186), (36, 17805122832), (37, 17323903296), (38, 16868011104), (42, 15261533856), (43, 14906614464), (48, 13353842124), (54, 11870081888), (56, 11446150392), (57, 11245340736), (63, 10174355904), (64, 10015381593), (72, 8902561416), (74, 8661951648), (76, 8434005552), (84, 7630766928), (86, 7453307232), (96, 6676921062), (108, 5935040944), (111, 5774634432), (112, 5723075196), (114, 5622670368), (126, 5087177952), (129, 4968871488), (133, 4819431744), (144, 4451280708), (148, 4330975824), (152, 4217002776), (168, 3815383464), (171, 3748446912), (172, 3726653616), (189, 3391451968), (192, 3338460531), (216, 2967520472), (222, 2887317216), (224, 2861537598), (228, 2811335184), (252, 2543588976), (258, 2484435744), (259, 2474843328), (266, 2409715872), (288, 2225640354), (296, 2165487912), (301, 2129516352), (304, 2108501388), (333, 1924878144), (336, 1907691732), (342, 1874223456), (344, 1863326808), (378, 1695725984), (387, 1656290496), (399, 1606477248), (432, 1483760236), (444, 1443658608), (448, 1430768799), (456, 1405667592), (504, 1271794488), (513, 1249482304), (516, 1242217872), (518, 1237421664), (532, 1204857936), (576, 1112820177), (592, 1082743956), (602, 1064758176), (608, 1054250694), (666, 962439072), (672, 953845866), (684, 937111728), (688, 931663404), (703, 911784384), (756, 847862992), (774, 828145248), (777, 824947776), (798, 803238624), (817, 784558656), (864, 741880118), (888, 721829304), (903, 709838784), (912, 702833796), (999, 641626048), (1008, 635897244), (1026, 624741152), (1032, 621108936), (1036, 618710832), (1064, 602428968), (1161, 552096832), (1184, 541371978), (1197, 535492416), (1204, 532379088), (1216, 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