291289740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^2$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 961373952

約数和(自身を除く): 670084212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 127, 129, 140, 172, 210, 215, 254, 258, 301, 381, 420, 430, 508, 516, 602, 635, 645, 762, 860, 889, 903, 1204, 1270, 1290, 1505, 1524, 1778, 1806, 1905, 2540, 2580, 2667, 3010, 3556, 3612, 3810, 4445, 4515, 5334, 5461, 6020, 7620, 8890, 9030, 10668, 10922, 13335, 16129, 16383, 17780, 18060, 21844, 26670, 27305, 32258, 32766, 38227, 48387, 53340, 54610, 64516, 65532, 76454, 80645, 81915, 96774, 109220, 112903, 114681, 152908, 161290, 163830, 191135, 193548, 225806, 229362, 241935, 322580, 327660, 338709, 382270, 451612, 458724, 483870, 564515, 573405, 677418, 693547, 764540, 967740, 1129030, 1146810, 1354836, 1387094, 1693545, 2080641, 2258060, 2293620, 2774188, 3387090, 3467735, 4161282, 4854829, 6774180, 6935470, 8322564, 9709658, 10403205, 13870940, 14564487, 19419316, 20806410, 24274145, 29128974, 41612820, 48548290, 58257948, 72822435, 97096580, 145644870, 291289740]

約数ペア:

[(1, 291289740), (2, 145644870), (3, 97096580), (4, 72822435), (5, 58257948), (6, 48548290), (7, 41612820), (10, 29128974), (12, 24274145), (14, 20806410), (15, 19419316), (20, 14564487), (21, 13870940), (28, 10403205), (30, 9709658), (35, 8322564), (42, 6935470), (43, 6774180), (60, 4854829), (70, 4161282), (84, 3467735), (86, 3387090), (105, 2774188), (127, 2293620), (129, 2258060), (140, 2080641), (172, 1693545), (210, 1387094), (215, 1354836), (254, 1146810), (258, 1129030), (301, 967740), (381, 764540), (420, 693547), (430, 677418), (508, 573405), (516, 564515), (602, 483870), (635, 458724), (645, 451612), (762, 382270), (860, 338709), (889, 327660), (903, 322580), (1204, 241935), (1270, 229362), (1290, 225806), (1505, 193548), (1524, 191135), (1778, 163830), (1806, 161290), (1905, 152908), (2540, 114681), (2580, 112903), (2667, 109220), (3010, 96774), (3556, 81915), (3612, 80645), (3810, 76454), (4445, 65532), (4515, 64516), (5334, 54610), (5461, 53340), (6020, 48387), (7620, 38227), (8890, 32766), (9030, 32258), (10668, 27305), (10922, 26670), (13335, 21844), (16129, 18060), (16383, 17780)]