319399920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:652

約数の個数: 240

約数和(自身を含む): 1238016000

約数和(自身を除く): 918616080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 127, 140, 144, 168, 180, 210, 240, 252, 254, 280, 315, 336, 360, 381, 420, 499, 504, 508, 560, 630, 635, 720, 762, 840, 889, 998, 1008, 1016, 1143, 1260, 1270, 1497, 1524, 1680, 1778, 1905, 1996, 2032, 2286, 2495, 2520, 2540, 2667, 2994, 3048, 3493, 3556, 3810, 3992, 4445, 4491, 4572, 4990, 5040, 5080, 5334, 5715, 5988, 6096, 6986, 7112, 7485, 7620, 7984, 8001, 8890, 8982, 9144, 9980, 10160, 10479, 10668, 11430, 11976, 13335, 13972, 14224, 14970, 15240, 16002, 17465, 17780, 17964, 18288, 19960, 20958, 21336, 22455, 22860, 23952, 26670, 27944, 29940, 30480, 31437, 32004, 34930, 35560, 35928, 39920, 40005, 41916, 42672, 44910, 45720, 52395, 53340, 55888, 59880, 62874, 63373, 64008, 69860, 71120, 71856, 80010, 83832, 89820, 91440, 104790, 106680, 119760, 125748, 126746, 128016, 139720, 157185, 160020, 167664, 179640, 190119, 209580, 213360, 251496, 253492, 279440, 314370, 316865, 320040, 359280, 380238, 419160, 443611, 502992, 506984, 570357, 628740, 633730, 640080, 760476, 838320, 887222, 950595, 1013968, 1140714, 1257480, 1267460, 1330833, 1520952, 1774444, 1901190, 2218055, 2281428, 2514960, 2534920, 2661666, 2851785, 3041904, 3548888, 3802380, 3992499, 4436110, 4562856, 5069840, 5323332, 5703570, 6654165, 7097776, 7604760, 7984998, 8872220, 9125712, 10646664, 11407140, 13308330, 15209520, 15969996, 17744440, 19962495, 21293328, 22814280, 26616660, 31939992, 35488880, 39924990, 45628560, 53233320, 63879984, 79849980, 106466640, 159699960, 319399920]

約数ペア:

[(1, 319399920), (2, 159699960), (3, 106466640), (4, 79849980), (5, 63879984), (6, 53233320), (7, 45628560), (8, 39924990), (9, 35488880), (10, 31939992), (12, 26616660), (14, 22814280), (15, 21293328), (16, 19962495), (18, 17744440), (20, 15969996), (21, 15209520), (24, 13308330), (28, 11407140), (30, 10646664), (35, 9125712), (36, 8872220), (40, 7984998), (42, 7604760), (45, 7097776), (48, 6654165), (56, 5703570), (60, 5323332), (63, 5069840), (70, 4562856), (72, 4436110), (80, 3992499), (84, 3802380), (90, 3548888), (105, 3041904), (112, 2851785), (120, 2661666), (126, 2534920), (127, 2514960), (140, 2281428), (144, 2218055), (168, 1901190), (180, 1774444), (210, 1520952), (240, 1330833), (252, 1267460), (254, 1257480), (280, 1140714), (315, 1013968), (336, 950595), (360, 887222), (381, 838320), (420, 760476), (499, 640080), (504, 633730), (508, 628740), (560, 570357), (630, 506984), (635, 502992), (720, 443611), (762, 419160), (840, 380238), (889, 359280), (998, 320040), (1008, 316865), (1016, 314370), (1143, 279440), (1260, 253492), (1270, 251496), (1497, 213360), (1524, 209580), (1680, 190119), (1778, 179640), (1905, 167664), (1996, 160020), (2032, 157185), (2286, 139720), (2495, 128016), (2520, 126746), (2540, 125748), (2667, 119760), (2994, 106680), (3048, 104790), (3493, 91440), (3556, 89820), (3810, 83832), (3992, 80010), (4445, 71856), (4491, 71120), (4572, 69860), (4990, 64008), (5040, 63373), (5080, 62874), (5334, 59880), (5715, 55888), (5988, 53340), (6096, 52395), (6986, 45720), (7112, 44910), (7485, 42672), (7620, 41916), (7984, 40005), (8001, 39920), (8890, 35928), (8982, 35560), (9144, 34930), (9980, 32004), (10160, 31437), (10479, 30480), (10668, 29940), (11430, 27944), (11976, 26670), (13335, 23952), (13972, 22860), (14224, 22455), (14970, 21336), (15240, 20958), (16002, 19960), (17465, 18288), (17780, 17964)]