51259740

素因数分解:

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

素因数の和:208

約数の個数: 144

約数和(自身を含む): 170827776

約数和(自身を除く): 119568036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 127, 140, 155, 186, 210, 217, 254, 310, 372, 381, 420, 434, 465, 508, 620, 635, 651, 762, 868, 889, 930, 961, 1085, 1270, 1302, 1524, 1778, 1860, 1905, 1922, 2170, 2540, 2604, 2667, 2883, 3255, 3556, 3810, 3844, 3937, 4340, 4445, 4805, 5334, 5766, 6510, 6727, 7620, 7874, 8890, 9610, 10668, 11532, 11811, 13020, 13335, 13454, 14415, 15748, 17780, 19220, 19685, 20181, 23622, 26670, 26908, 27559, 28830, 33635, 39370, 40362, 47244, 53340, 55118, 57660, 59055, 67270, 78740, 80724, 82677, 100905, 110236, 118110, 122047, 134540, 137795, 165354, 201810, 236220, 244094, 275590, 330708, 366141, 403620, 413385, 488188, 551180, 610235, 732282, 826770, 854329, 1220470, 1464564, 1653540, 1708658, 1830705, 2440940, 2562987, 3417316, 3661410, 4271645, 5125974, 7322820, 8543290, 10251948, 12814935, 17086580, 25629870, 51259740]

約数ペア:

[(1, 51259740), (2, 25629870), (3, 17086580), (4, 12814935), (5, 10251948), (6, 8543290), (7, 7322820), (10, 5125974), (12, 4271645), (14, 3661410), (15, 3417316), (20, 2562987), (21, 2440940), (28, 1830705), (30, 1708658), (31, 1653540), (35, 1464564), (42, 1220470), (60, 854329), (62, 826770), (70, 732282), (84, 610235), (93, 551180), (105, 488188), (124, 413385), (127, 403620), (140, 366141), (155, 330708), (186, 275590), (210, 244094), (217, 236220), (254, 201810), (310, 165354), (372, 137795), (381, 134540), (420, 122047), (434, 118110), (465, 110236), (508, 100905), (620, 82677), (635, 80724), (651, 78740), (762, 67270), (868, 59055), (889, 57660), (930, 55118), (961, 53340), (1085, 47244), (1270, 40362), (1302, 39370), (1524, 33635), (1778, 28830), (1860, 27559), (1905, 26908), (1922, 26670), (2170, 23622), (2540, 20181), (2604, 19685), (2667, 19220), (2883, 17780), (3255, 15748), (3556, 14415), (3810, 13454), (3844, 13335), (3937, 13020), (4340, 11811), (4445, 11532), (4805, 10668), (5334, 9610), (5766, 8890), (6510, 7874), (6727, 7620)]