205038960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 240

約数和(自身を含む): 756523008

約数和(自身を除く): 551484048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 127, 140, 155, 168, 186, 210, 217, 240, 248, 254, 280, 310, 336, 372, 381, 420, 434, 465, 496, 508, 560, 620, 635, 651, 744, 762, 840, 868, 889, 930, 961, 1016, 1085, 1240, 1270, 1302, 1488, 1524, 1680, 1736, 1778, 1860, 1905, 1922, 2032, 2170, 2480, 2540, 2604, 2667, 2883, 3048, 3255, 3472, 3556, 3720, 3810, 3844, 3937, 4340, 4445, 4805, 5080, 5208, 5334, 5766, 6096, 6510, 6727, 7112, 7440, 7620, 7688, 7874, 8680, 8890, 9610, 10160, 10416, 10668, 11532, 11811, 13020, 13335, 13454, 14224, 14415, 15240, 15376, 15748, 17360, 17780, 19220, 19685, 20181, 21336, 23064, 23622, 26040, 26670, 26908, 27559, 28830, 30480, 31496, 33635, 35560, 38440, 39370, 40362, 42672, 46128, 47244, 52080, 53340, 53816, 55118, 57660, 59055, 62992, 67270, 71120, 76880, 78740, 80724, 82677, 94488, 100905, 106680, 107632, 110236, 115320, 118110, 122047, 134540, 137795, 157480, 161448, 165354, 188976, 201810, 213360, 220472, 230640, 236220, 244094, 269080, 275590, 314960, 322896, 330708, 366141, 403620, 413385, 440944, 472440, 488188, 538160, 551180, 610235, 661416, 732282, 807240, 826770, 854329, 944880, 976376, 1102360, 1220470, 1322832, 1464564, 1614480, 1653540, 1708658, 1830705, 1952752, 2204720, 2440940, 2562987, 2929128, 3307080, 3417316, 3661410, 4271645, 4881880, 5125974, 5858256, 6614160, 6834632, 7322820, 8543290, 9763760, 10251948, 12814935, 13669264, 14645640, 17086580, 20503896, 25629870, 29291280, 34173160, 41007792, 51259740, 68346320, 102519480, 205038960]

約数ペア:

[(1, 205038960), (2, 102519480), (3, 68346320), (4, 51259740), (5, 41007792), (6, 34173160), (7, 29291280), (8, 25629870), (10, 20503896), (12, 17086580), (14, 14645640), (15, 13669264), (16, 12814935), (20, 10251948), (21, 9763760), (24, 8543290), (28, 7322820), (30, 6834632), (31, 6614160), (35, 5858256), (40, 5125974), (42, 4881880), (48, 4271645), (56, 3661410), (60, 3417316), (62, 3307080), (70, 2929128), (80, 2562987), (84, 2440940), (93, 2204720), (105, 1952752), (112, 1830705), (120, 1708658), (124, 1653540), (127, 1614480), (140, 1464564), (155, 1322832), (168, 1220470), (186, 1102360), (210, 976376), (217, 944880), (240, 854329), (248, 826770), (254, 807240), (280, 732282), (310, 661416), (336, 610235), (372, 551180), (381, 538160), (420, 488188), (434, 472440), (465, 440944), (496, 413385), (508, 403620), (560, 366141), (620, 330708), (635, 322896), (651, 314960), (744, 275590), (762, 269080), (840, 244094), (868, 236220), (889, 230640), (930, 220472), (961, 213360), (1016, 201810), (1085, 188976), (1240, 165354), (1270, 161448), (1302, 157480), (1488, 137795), (1524, 134540), (1680, 122047), (1736, 118110), (1778, 115320), (1860, 110236), (1905, 107632), (1922, 106680), (2032, 100905), (2170, 94488), (2480, 82677), (2540, 80724), (2604, 78740), (2667, 76880), (2883, 71120), (3048, 67270), (3255, 62992), (3472, 59055), (3556, 57660), (3720, 55118), (3810, 53816), (3844, 53340), (3937, 52080), (4340, 47244), (4445, 46128), (4805, 42672), (5080, 40362), (5208, 39370), (5334, 38440), (5766, 35560), (6096, 33635), (6510, 31496), (6727, 30480), (7112, 28830), (7440, 27559), (7620, 26908), (7688, 26670), (7874, 26040), (8680, 23622), (8890, 23064), (9610, 21336), (10160, 20181), (10416, 19685), (10668, 19220), (11532, 17780), (11811, 17360), (13020, 15748), (13335, 15376), (13454, 15240), (14224, 14415)]