814801520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:383

約数の個数: 160

約数和(自身を含む): 2133196800

約数和(自身を除く): 1318395280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 127, 130, 155, 199, 208, 248, 254, 260, 310, 398, 403, 496, 508, 520, 620, 635, 796, 806, 995, 1016, 1040, 1240, 1270, 1592, 1612, 1651, 1990, 2015, 2032, 2480, 2540, 2587, 3184, 3224, 3302, 3937, 3980, 4030, 5080, 5174, 6169, 6448, 6604, 7874, 7960, 8060, 8255, 10160, 10348, 12338, 12935, 13208, 15748, 15920, 16120, 16510, 19685, 20696, 24676, 25273, 25870, 26416, 30845, 31496, 32240, 33020, 39370, 41392, 49352, 50546, 51181, 51740, 61690, 62992, 66040, 78740, 80197, 98704, 101092, 102362, 103480, 123380, 126365, 132080, 157480, 160394, 202184, 204724, 206960, 246760, 252730, 255905, 314960, 320788, 328549, 400985, 404368, 409448, 493520, 505460, 511810, 641576, 657098, 783463, 801970, 818896, 1010920, 1023620, 1283152, 1314196, 1566926, 1603940, 1642745, 2021840, 2047240, 2628392, 3133852, 3207880, 3285490, 3917315, 4094480, 5256784, 6267704, 6415760, 6570980, 7834630, 10185019, 12535408, 13141960, 15669260, 20370038, 26283920, 31338520, 40740076, 50925095, 62677040, 81480152, 101850190, 162960304, 203700380, 407400760, 814801520]

約数ペア:

[(1, 814801520), (2, 407400760), (4, 203700380), (5, 162960304), (8, 101850190), (10, 81480152), (13, 62677040), (16, 50925095), (20, 40740076), (26, 31338520), (31, 26283920), (40, 20370038), (52, 15669260), (62, 13141960), (65, 12535408), (80, 10185019), (104, 7834630), (124, 6570980), (127, 6415760), (130, 6267704), (155, 5256784), (199, 4094480), (208, 3917315), (248, 3285490), (254, 3207880), (260, 3133852), (310, 2628392), (398, 2047240), (403, 2021840), (496, 1642745), (508, 1603940), (520, 1566926), (620, 1314196), (635, 1283152), (796, 1023620), (806, 1010920), (995, 818896), (1016, 801970), (1040, 783463), (1240, 657098), (1270, 641576), (1592, 511810), (1612, 505460), (1651, 493520), (1990, 409448), (2015, 404368), (2032, 400985), (2480, 328549), (2540, 320788), (2587, 314960), (3184, 255905), (3224, 252730), (3302, 246760), (3937, 206960), (3980, 204724), (4030, 202184), (5080, 160394), (5174, 157480), (6169, 132080), (6448, 126365), (6604, 123380), (7874, 103480), (7960, 102362), (8060, 101092), (8255, 98704), (10160, 80197), (10348, 78740), (12338, 66040), (12935, 62992), (13208, 61690), (15748, 51740), (15920, 51181), (16120, 50546), (16510, 49352), (19685, 41392), (20696, 39370), (24676, 33020), (25273, 32240), (25870, 31496), (26416, 30845)]