256515480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{929}}^1$

素因数の和:1018

約数の個数: 192

約数和(自身を含む): 914004000

約数和(自身を除く): 657488520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 59, 60, 65, 72, 78, 90, 104, 117, 118, 120, 130, 156, 177, 180, 195, 234, 236, 260, 295, 312, 354, 360, 390, 468, 472, 520, 531, 585, 590, 708, 767, 780, 885, 929, 936, 1062, 1170, 1180, 1416, 1534, 1560, 1770, 1858, 2124, 2301, 2340, 2360, 2655, 2787, 3068, 3540, 3716, 3835, 4248, 4602, 4645, 4680, 5310, 5574, 6136, 6903, 7080, 7432, 7670, 8361, 9204, 9290, 10620, 11148, 11505, 12077, 13806, 13935, 15340, 16722, 18408, 18580, 21240, 22296, 23010, 24154, 27612, 27870, 30680, 33444, 34515, 36231, 37160, 41805, 46020, 48308, 54811, 55224, 55740, 60385, 66888, 69030, 72462, 83610, 92040, 96616, 108693, 109622, 111480, 120770, 138060, 144924, 164433, 167220, 181155, 217386, 219244, 241540, 274055, 276120, 289848, 328866, 334440, 362310, 434772, 438488, 483080, 493299, 543465, 548110, 657732, 712543, 724620, 822165, 869544, 986598, 1086930, 1096220, 1315464, 1425086, 1449240, 1644330, 1973196, 2137629, 2173860, 2192440, 2466495, 2850172, 3288660, 3562715, 3946392, 4275258, 4347720, 4932990, 5700344, 6412887, 6577320, 7125430, 8550516, 9865980, 10688145, 12825774, 14250860, 17101032, 19731960, 21376290, 25651548, 28501720, 32064435, 42752580, 51303096, 64128870, 85505160, 128257740, 256515480]

約数ペア:

[(1, 256515480), (2, 128257740), (3, 85505160), (4, 64128870), (5, 51303096), (6, 42752580), (8, 32064435), (9, 28501720), (10, 25651548), (12, 21376290), (13, 19731960), (15, 17101032), (18, 14250860), (20, 12825774), (24, 10688145), (26, 9865980), (30, 8550516), (36, 7125430), (39, 6577320), (40, 6412887), (45, 5700344), (52, 4932990), (59, 4347720), (60, 4275258), (65, 3946392), (72, 3562715), (78, 3288660), (90, 2850172), (104, 2466495), (117, 2192440), (118, 2173860), (120, 2137629), (130, 1973196), (156, 1644330), (177, 1449240), (180, 1425086), (195, 1315464), (234, 1096220), (236, 1086930), (260, 986598), (295, 869544), (312, 822165), (354, 724620), (360, 712543), (390, 657732), (468, 548110), (472, 543465), (520, 493299), (531, 483080), (585, 438488), (590, 434772), (708, 362310), (767, 334440), (780, 328866), (885, 289848), (929, 276120), (936, 274055), (1062, 241540), (1170, 219244), (1180, 217386), (1416, 181155), (1534, 167220), (1560, 164433), (1770, 144924), (1858, 138060), (2124, 120770), (2301, 111480), (2340, 109622), (2360, 108693), (2655, 96616), (2787, 92040), (3068, 83610), (3540, 72462), (3716, 69030), (3835, 66888), (4248, 60385), (4602, 55740), (4645, 55224), (4680, 54811), (5310, 48308), (5574, 46020), (6136, 41805), (6903, 37160), (7080, 36231), (7432, 34515), (7670, 33444), (8361, 30680), (9204, 27870), (9290, 27612), (10620, 24154), (11148, 23010), (11505, 22296), (12077, 21240), (13806, 18580), (13935, 18408), (15340, 16722)]