640978491888

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{818393}}^1$

素因数の和:818461

約数の個数: 240

約数和(自身を含む): 2198075340960

約数和(自身を除く): 1557096849072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 37, 42, 48, 49, 54, 56, 63, 72, 74, 84, 98, 108, 111, 112, 126, 144, 147, 148, 168, 189, 196, 216, 222, 252, 259, 294, 296, 333, 336, 378, 392, 432, 441, 444, 504, 518, 588, 592, 666, 756, 777, 784, 882, 888, 999, 1008, 1036, 1176, 1323, 1332, 1512, 1554, 1764, 1776, 1813, 1998, 2072, 2331, 2352, 2646, 2664, 3024, 3108, 3528, 3626, 3996, 4144, 4662, 5292, 5328, 5439, 6216, 6993, 7056, 7252, 7992, 9324, 10584, 10878, 12432, 13986, 14504, 15984, 16317, 18648, 21168, 21756, 27972, 29008, 32634, 37296, 43512, 48951, 55944, 65268, 87024, 97902, 111888, 130536, 195804, 261072, 391608, 783216, 818393, 1636786, 2455179, 3273572, 4910358, 5728751, 6547144, 7365537, 9820716, 11457502, 13094288, 14731074, 17186253, 19641432, 22096611, 22915004, 29462148, 30280541, 34372506, 39282864, 40101257, 44193222, 45830008, 51558759, 58924296, 60561082, 68745012, 80202514, 88386444, 90841623, 91660016, 103117518, 117848592, 120303771, 121122164, 137490024, 154676277, 160405028, 176772888, 181683246, 206235036, 211963787, 240607542, 242244328, 272524869, 274980048, 309352554, 320810056, 353545776, 360911313, 363366492, 412470072, 423927574, 481215084, 484488656, 545049738, 618705108, 635891361, 641620112, 721822626, 726732984, 817574607, 824940144, 847855148, 962430168, 1082733939, 1090099476, 1237410216, 1271782722, 1443645252, 1453465968, 1483746509, 1635149214, 1695710296, 1907674083, 1924860336, 2165467878, 2180198952, 2474820432, 2543565444, 2887290504, 2967493018, 3270298428, 3391420592, 3815348166, 4330935756, 4360397904, 4451239527, 5087130888, 5723022249, 5774581008, 5934986036, 6540596856, 7630696332, 8661871512, 8902479054, 10174261776, 11446044498, 11869972072, 13081193712, 13353718581, 15261392664, 17323743024, 17804958108, 22892088996, 23739944144, 26707437162, 30522785328, 35609916216, 40061155743, 45784177992, 53414874324, 71219832432, 80122311486, 91568355984, 106829748648, 160244622972, 213659497296, 320489245944, 640978491888]

約数ペア:

[(1, 640978491888), (2, 320489245944), (3, 213659497296), (4, 160244622972), (6, 106829748648), (7, 91568355984), (8, 80122311486), (9, 71219832432), (12, 53414874324), (14, 45784177992), (16, 40061155743), (18, 35609916216), (21, 30522785328), (24, 26707437162), (27, 23739944144), (28, 22892088996), (36, 17804958108), (37, 17323743024), (42, 15261392664), (48, 13353718581), (49, 13081193712), (54, 11869972072), (56, 11446044498), (63, 10174261776), (72, 8902479054), (74, 8661871512), (84, 7630696332), (98, 6540596856), (108, 5934986036), (111, 5774581008), (112, 5723022249), (126, 5087130888), (144, 4451239527), (147, 4360397904), (148, 4330935756), (168, 3815348166), (189, 3391420592), (196, 3270298428), (216, 2967493018), (222, 2887290504), (252, 2543565444), (259, 2474820432), (294, 2180198952), (296, 2165467878), (333, 1924860336), (336, 1907674083), (378, 1695710296), (392, 1635149214), (432, 1483746509), (441, 1453465968), (444, 1443645252), (504, 1271782722), (518, 1237410216), (588, 1090099476), (592, 1082733939), (666, 962430168), (756, 847855148), (777, 824940144), (784, 817574607), (882, 726732984), (888, 721822626), (999, 641620112), (1008, 635891361), (1036, 618705108), (1176, 545049738), (1323, 484488656), (1332, 481215084), (1512, 423927574), (1554, 412470072), (1764, 363366492), (1776, 360911313), (1813, 353545776), (1998, 320810056), (2072, 309352554), (2331, 274980048), (2352, 272524869), (2646, 242244328), (2664, 240607542), (3024, 211963787), (3108, 206235036), (3528, 181683246), (3626, 176772888), (3996, 160405028), (4144, 154676277), (4662, 137490024), (5292, 121122164), (5328, 120303771), (5439, 117848592), (6216, 103117518), (6993, 91660016), (7056, 90841623), (7252, 88386444), (7992, 80202514), (9324, 68745012), (10584, 60561082), (10878, 58924296), (12432, 51558759), (13986, 45830008), (14504, 44193222), (15984, 40101257), (16317, 39282864), (18648, 34372506), (21168, 30280541), (21756, 29462148), (27972, 22915004), (29008, 22096611), (32634, 19641432), (37296, 17186253), (43512, 14731074), (48951, 13094288), (55944, 11457502), (65268, 9820716), (87024, 7365537), (97902, 6547144), (111888, 5728751), (130536, 4910358), (195804, 3273572), (261072, 2455179), (391608, 1636786), (783216, 818393)]