1987422080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:261

約数の個数: 256

約数和(自身を含む): 5651942400

約数和(自身を除く): 3664520320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 64, 70, 73, 80, 103, 112, 118, 128, 140, 146, 160, 206, 224, 236, 280, 292, 295, 320, 365, 412, 413, 448, 472, 511, 515, 560, 584, 590, 640, 721, 730, 824, 826, 896, 944, 1022, 1030, 1120, 1168, 1180, 1442, 1460, 1648, 1652, 1888, 2044, 2060, 2065, 2240, 2336, 2360, 2555, 2884, 2920, 3296, 3304, 3605, 3776, 4088, 4120, 4130, 4307, 4480, 4672, 4720, 5110, 5768, 5840, 6077, 6592, 6608, 7210, 7519, 7552, 8176, 8240, 8260, 8614, 9344, 9440, 10220, 11536, 11680, 12154, 13184, 13216, 14420, 15038, 16352, 16480, 16520, 17228, 18880, 20440, 21535, 23072, 23360, 24308, 26432, 28840, 30076, 30149, 30385, 32704, 32960, 33040, 34456, 37595, 37760, 40880, 42539, 43070, 46144, 46720, 48616, 52633, 52864, 57680, 60152, 60298, 60770, 65408, 65920, 66080, 68912, 75190, 81760, 85078, 86140, 92288, 97232, 105266, 115360, 120304, 120596, 121540, 132160, 137824, 150380, 150745, 163520, 170156, 172280, 194464, 210532, 212695, 230720, 240608, 241192, 243080, 263165, 264320, 275648, 300760, 301490, 327040, 340312, 344560, 388928, 421064, 425390, 443621, 461440, 481216, 482384, 486160, 526330, 551296, 601520, 602980, 680624, 689120, 777856, 842128, 850780, 887242, 962432, 964768, 972320, 1052660, 1203040, 1205960, 1361248, 1378240, 1684256, 1701560, 1774484, 1929536, 1944640, 2105320, 2218105, 2406080, 2411920, 2722496, 2756480, 3105347, 3368512, 3403120, 3548968, 3859072, 3889280, 4210640, 4436210, 4812160, 4823840, 5444992, 6210694, 6737024, 6806240, 7097936, 8421280, 8872420, 9647680, 12421388, 13612480, 14195872, 15526735, 16842560, 17744840, 19295360, 24842776, 27224960, 28391744, 31053470, 33685120, 35489680, 49685552, 56783488, 62106940, 70979360, 99371104, 124213880, 141958720, 198742208, 248427760, 283917440, 397484416, 496855520, 993711040, 1987422080]

約数ペア:

[(1, 1987422080), (2, 993711040), (4, 496855520), (5, 397484416), (7, 283917440), (8, 248427760), (10, 198742208), (14, 141958720), (16, 124213880), (20, 99371104), (28, 70979360), (32, 62106940), (35, 56783488), (40, 49685552), (56, 35489680), (59, 33685120), (64, 31053470), (70, 28391744), (73, 27224960), (80, 24842776), (103, 19295360), (112, 17744840), (118, 16842560), (128, 15526735), (140, 14195872), (146, 13612480), (160, 12421388), (206, 9647680), (224, 8872420), (236, 8421280), (280, 7097936), (292, 6806240), (295, 6737024), (320, 6210694), (365, 5444992), (412, 4823840), (413, 4812160), (448, 4436210), (472, 4210640), (511, 3889280), (515, 3859072), (560, 3548968), (584, 3403120), (590, 3368512), (640, 3105347), (721, 2756480), (730, 2722496), (824, 2411920), (826, 2406080), (896, 2218105), (944, 2105320), (1022, 1944640), (1030, 1929536), (1120, 1774484), (1168, 1701560), (1180, 1684256), (1442, 1378240), (1460, 1361248), (1648, 1205960), (1652, 1203040), (1888, 1052660), (2044, 972320), (2060, 964768), (2065, 962432), (2240, 887242), (2336, 850780), (2360, 842128), (2555, 777856), (2884, 689120), (2920, 680624), (3296, 602980), (3304, 601520), (3605, 551296), (3776, 526330), (4088, 486160), (4120, 482384), (4130, 481216), (4307, 461440), (4480, 443621), (4672, 425390), (4720, 421064), (5110, 388928), (5768, 344560), (5840, 340312), (6077, 327040), (6592, 301490), (6608, 300760), (7210, 275648), (7519, 264320), (7552, 263165), (8176, 243080), (8240, 241192), (8260, 240608), (8614, 230720), (9344, 212695), (9440, 210532), (10220, 194464), (11536, 172280), (11680, 170156), (12154, 163520), (13184, 150745), (13216, 150380), (14420, 137824), (15038, 132160), (16352, 121540), (16480, 120596), (16520, 120304), (17228, 115360), (18880, 105266), (20440, 97232), (21535, 92288), (23072, 86140), (23360, 85078), (24308, 81760), (26432, 75190), (28840, 68912), (30076, 66080), (30149, 65920), (30385, 65408), (32704, 60770), (32960, 60298), (33040, 60152), (34456, 57680), (37595, 52864), (37760, 52633), (40880, 48616), (42539, 46720), (43070, 46144)]