256782240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 576

約数和(自身を含む): 1089728640

約数和(自身を除く): 832946400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 29, 30, 32, 33, 36, 39, 40, 43, 44, 45, 48, 52, 55, 58, 60, 65, 66, 72, 78, 80, 86, 87, 88, 90, 96, 99, 104, 110, 116, 117, 120, 129, 130, 132, 143, 144, 145, 156, 160, 165, 172, 174, 176, 180, 195, 198, 208, 215, 220, 232, 234, 240, 258, 260, 261, 264, 286, 288, 290, 312, 319, 330, 344, 348, 352, 360, 377, 387, 390, 396, 416, 429, 430, 435, 440, 464, 468, 473, 480, 495, 516, 520, 522, 528, 559, 572, 580, 585, 624, 638, 645, 660, 688, 696, 715, 720, 754, 774, 780, 792, 858, 860, 870, 880, 928, 936, 946, 957, 990, 1032, 1040, 1044, 1056, 1118, 1131, 1144, 1160, 1170, 1247, 1248, 1276, 1287, 1290, 1305, 1320, 1376, 1392, 1419, 1430, 1440, 1508, 1548, 1560, 1584, 1595, 1677, 1716, 1720, 1740, 1760, 1872, 1885, 1892, 1914, 1935, 1980, 2064, 2080, 2088, 2145, 2236, 2262, 2288, 2320, 2340, 2365, 2494, 2552, 2574, 2580, 2610, 2640, 2784, 2795, 2838, 2860, 2871, 3016, 3096, 3120, 3168, 3190, 3354, 3393, 3432, 3440, 3480, 3741, 3744, 3770, 3784, 3828, 3870, 3960, 4128, 4147, 4176, 4257, 4290, 4472, 4524, 4576, 4640, 4680, 4730, 4785, 4988, 5031, 5104, 5148, 5160, 5220, 5280, 5590, 5655, 5676, 5720, 5742, 6032, 6149, 6192, 6235, 6240, 6380, 6435, 6708, 6786, 6864, 6880, 6960, 7095, 7482, 7540, 7568, 7656, 7740, 7920, 8294, 8352, 8385, 8514, 8580, 8944, 9048, 9360, 9460, 9570, 9976, 10062, 10208, 10296, 10320, 10440, 11180, 11223, 11310, 11352, 11440, 11484, 12064, 12298, 12384, 12441, 12470, 12760, 12870, 13416, 13572, 13717, 13728, 13920, 14190, 14355, 14964, 15080, 15136, 15312, 15480, 15840, 16211, 16588, 16770, 16965, 17028, 17160, 17888, 18096, 18447, 18705, 18720, 18920, 19140, 19952, 20124, 20592, 20640, 20735, 20880, 21285, 22360, 22446, 22620, 22704, 22880, 22968, 24596, 24882, 24940, 25155, 25520, 25740, 26832, 27144, 27434, 28380, 28710, 29928, 30160, 30624, 30745, 30960, 32422, 33176, 33540, 33930, 34056, 34320, 36192, 36894, 37323, 37410, 37840, 38280, 39904, 40248, 41151, 41184, 41470, 41760, 42570, 44720, 44892, 45240, 45408, 45936, 48633, 49192, 49764, 49880, 50310, 51040, 51480, 53664, 54288, 54868, 55341, 56115, 56760, 57420, 59856, 60320, 61490, 61920, 62205, 64844, 66352, 67080, 67860, 68112, 68585, 68640, 73788, 74646, 74820, 75680, 76560, 80496, 81055, 82302, 82940, 85140, 89440, 89784, 90480, 91872, 92235, 97266, 98384, 99528, 99760, 100620, 102960, 108576, 109736, 110682, 112230, 113520, 114840, 119712, 122980, 123453, 124410, 129688, 132704, 134160, 135720, 136224, 137170, 145899, 147576, 149292, 149640, 153120, 160992, 162110, 164604, 165880, 170280, 178321, 179568, 180960, 184470, 186615, 194532, 196768, 199056, 199520, 201240, 205755, 205920, 219472, 221364, 224460, 227040, 229680, 243165, 245960, 246906, 248820, 259376, 268320, 271440, 274340, 276705, 291798, 295152, 298584, 299280, 324220, 329208, 331760, 340560, 356642, 359136, 368940, 373230, 389064, 398112, 402480, 411510, 438944, 442728, 448920, 459360, 486330, 491920, 493812, 497640, 518752, 534963, 542880, 548680, 553410, 583596, 590304, 597168, 598560, 617265, 648440, 658416, 663520, 681120, 713284, 729495, 737880, 746460, 778128, 804960, 823020, 885456, 891605, 897840, 972660, 983840, 987624, 995280, 1069926, 1097360, 1106820, 1167192, 1194336, 1234530, 1296880, 1316832, 1426568, 1458990, 1475760, 1492920, 1556256, 1604889, 1646040, 1770912, 1783210, 1795680, 1945320, 1975248, 1990560, 2139852, 2194720, 2213640, 2334384, 2469060, 2593760, 2674815, 2853136, 2917980, 2951520, 2985840, 3209778, 3292080, 3566420, 3890640, 3950496, 4279704, 4427280, 4668768, 4938120, 5349630, 5706272, 5835960, 5971680, 6419556, 6584160, 7132840, 7781280, 8024445, 8559408, 8854560, 9876240, 10699260, 11671920, 12839112, 14265680, 16048890, 17118816, 19752480, 21398520, 23343840, 25678224, 28531360, 32097780, 42797040, 51356448, 64195560, 85594080, 128391120, 256782240]

約数ペア:

[(1, 256782240), (2, 128391120), (3, 85594080), (4, 64195560), (5, 51356448), (6, 42797040), (8, 32097780), (9, 28531360), (10, 25678224), (11, 23343840), (12, 21398520), (13, 19752480), (15, 17118816), (16, 16048890), (18, 14265680), (20, 12839112), (22, 11671920), (24, 10699260), (26, 9876240), (29, 8854560), (30, 8559408), (32, 8024445), (33, 7781280), (36, 7132840), (39, 6584160), (40, 6419556), (43, 5971680), (44, 5835960), (45, 5706272), (48, 5349630), (52, 4938120), (55, 4668768), (58, 4427280), (60, 4279704), (65, 3950496), (66, 3890640), (72, 3566420), (78, 3292080), (80, 3209778), (86, 2985840), (87, 2951520), (88, 2917980), (90, 2853136), (96, 2674815), (99, 2593760), (104, 2469060), (110, 2334384), (116, 2213640), (117, 2194720), (120, 2139852), (129, 1990560), (130, 1975248), (132, 1945320), (143, 1795680), (144, 1783210), (145, 1770912), (156, 1646040), (160, 1604889), (165, 1556256), (172, 1492920), (174, 1475760), (176, 1458990), (180, 1426568), (195, 1316832), (198, 1296880), (208, 1234530), (215, 1194336), (220, 1167192), (232, 1106820), (234, 1097360), (240, 1069926), (258, 995280), (260, 987624), (261, 983840), (264, 972660), (286, 897840), (288, 891605), (290, 885456), (312, 823020), (319, 804960), (330, 778128), (344, 746460), (348, 737880), (352, 729495), (360, 713284), (377, 681120), (387, 663520), (390, 658416), (396, 648440), (416, 617265), (429, 598560), (430, 597168), (435, 590304), (440, 583596), (464, 553410), (468, 548680), (473, 542880), (480, 534963), (495, 518752), (516, 497640), (520, 493812), (522, 491920), (528, 486330), (559, 459360), (572, 448920), (580, 442728), (585, 438944), (624, 411510), (638, 402480), (645, 398112), (660, 389064), (688, 373230), (696, 368940), (715, 359136), (720, 356642), (754, 340560), (774, 331760), (780, 329208), (792, 324220), (858, 299280), (860, 298584), (870, 295152), (880, 291798), (928, 276705), (936, 274340), (946, 271440), (957, 268320), (990, 259376), (1032, 248820), (1040, 246906), (1044, 245960), (1056, 243165), (1118, 229680), (1131, 227040), (1144, 224460), (1160, 221364), (1170, 219472), (1247, 205920), (1248, 205755), (1276, 201240), (1287, 199520), (1290, 199056), (1305, 196768), (1320, 194532), (1376, 186615), (1392, 184470), (1419, 180960), (1430, 179568), (1440, 178321), (1508, 170280), (1548, 165880), (1560, 164604), (1584, 162110), (1595, 160992), (1677, 153120), (1716, 149640), (1720, 149292), (1740, 147576), (1760, 145899), (1872, 137170), (1885, 136224), (1892, 135720), (1914, 134160), (1935, 132704), (1980, 129688), (2064, 124410), (2080, 123453), (2088, 122980), (2145, 119712), (2236, 114840), (2262, 113520), (2288, 112230), (2320, 110682), (2340, 109736), (2365, 108576), (2494, 102960), (2552, 100620), (2574, 99760), (2580, 99528), (2610, 98384), (2640, 97266), (2784, 92235), (2795, 91872), (2838, 90480), (2860, 89784), (2871, 89440), (3016, 85140), (3096, 82940), (3120, 82302), (3168, 81055), (3190, 80496), (3354, 76560), (3393, 75680), (3432, 74820), (3440, 74646), (3480, 73788), (3741, 68640), (3744, 68585), (3770, 68112), (3784, 67860), (3828, 67080), (3870, 66352), (3960, 64844), (4128, 62205), (4147, 61920), (4176, 61490), (4257, 60320), (4290, 59856), (4472, 57420), (4524, 56760), (4576, 56115), (4640, 55341), (4680, 54868), (4730, 54288), (4785, 53664), (4988, 51480), (5031, 51040), (5104, 50310), (5148, 49880), (5160, 49764), (5220, 49192), (5280, 48633), (5590, 45936), (5655, 45408), (5676, 45240), (5720, 44892), (5742, 44720), (6032, 42570), (6149, 41760), (6192, 41470), (6235, 41184), (6240, 41151), (6380, 40248), (6435, 39904), (6708, 38280), (6786, 37840), (6864, 37410), (6880, 37323), (6960, 36894), (7095, 36192), (7482, 34320), (7540, 34056), (7568, 33930), (7656, 33540), (7740, 33176), (7920, 32422), (8294, 30960), (8352, 30745), (8385, 30624), (8514, 30160), (8580, 29928), (8944, 28710), (9048, 28380), (9360, 27434), (9460, 27144), (9570, 26832), (9976, 25740), (10062, 25520), (10208, 25155), (10296, 24940), (10320, 24882), (10440, 24596), (11180, 22968), (11223, 22880), (11310, 22704), (11352, 22620), (11440, 22446), (11484, 22360), (12064, 21285), (12298, 20880), (12384, 20735), (12441, 20640), (12470, 20592), (12760, 20124), (12870, 19952), (13416, 19140), (13572, 18920), (13717, 18720), (13728, 18705), (13920, 18447), (14190, 18096), (14355, 17888), (14964, 17160), (15080, 17028), (15136, 16965), (15312, 16770), (15480, 16588), (15840, 16211)]