2561761488

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1511}}^1$

素因数の和:1578

約数の個数: 240

約数和(自身を含む): 8234472960

約数和(自身を除く): 5672711472

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 19, 22, 24, 26, 33, 38, 39, 44, 48, 52, 57, 66, 76, 78, 88, 104, 114, 132, 143, 152, 156, 169, 176, 208, 209, 228, 247, 264, 286, 304, 312, 338, 418, 429, 456, 494, 507, 528, 572, 624, 627, 676, 741, 836, 858, 912, 988, 1014, 1144, 1254, 1352, 1482, 1511, 1672, 1716, 1859, 1976, 2028, 2288, 2508, 2704, 2717, 2964, 3022, 3211, 3344, 3432, 3718, 3952, 4056, 4533, 5016, 5434, 5577, 5928, 6044, 6422, 6864, 7436, 8112, 8151, 9066, 9633, 10032, 10868, 11154, 11856, 12088, 12844, 14872, 16302, 16621, 18132, 19266, 19643, 21736, 22308, 24176, 25688, 28709, 29744, 32604, 33242, 35321, 36264, 38532, 39286, 43472, 44616, 49863, 51376, 57418, 58929, 65208, 66484, 70642, 72528, 77064, 78572, 86127, 89232, 99726, 105963, 114836, 117858, 130416, 132968, 141284, 154128, 157144, 172254, 199452, 211926, 216073, 229672, 235716, 255359, 265936, 282568, 314288, 315799, 344508, 373217, 398904, 423852, 432146, 459344, 471432, 510718, 565136, 631598, 648219, 689016, 746434, 766077, 797808, 847704, 864292, 942864, 947397, 1021436, 1119651, 1263196, 1296438, 1378032, 1492868, 1532154, 1695408, 1728584, 1894794, 2042872, 2239302, 2526392, 2592876, 2808949, 2985736, 3064308, 3457168, 3789588, 4085744, 4105387, 4478604, 4851821, 5052784, 5185752, 5617898, 5971472, 6128616, 7579176, 8210774, 8426847, 8957208, 9703642, 10371504, 11235796, 12257232, 12316161, 14555463, 15158352, 16421548, 16853694, 17914416, 19407284, 22471592, 24632322, 29110926, 32843096, 33707388, 38814568, 44943184, 49264644, 53370031, 58221852, 65686192, 67414776, 77629136, 98529288, 106740062, 116443704, 134829552, 160110093, 197058576, 213480124, 232887408, 320220186, 426960248, 640440372, 853920496, 1280880744, 2561761488]

約数ペア:

[(1, 2561761488), (2, 1280880744), (3, 853920496), (4, 640440372), (6, 426960248), (8, 320220186), (11, 232887408), (12, 213480124), (13, 197058576), (16, 160110093), (19, 134829552), (22, 116443704), (24, 106740062), (26, 98529288), (33, 77629136), (38, 67414776), (39, 65686192), (44, 58221852), (48, 53370031), (52, 49264644), (57, 44943184), (66, 38814568), (76, 33707388), (78, 32843096), (88, 29110926), (104, 24632322), (114, 22471592), (132, 19407284), (143, 17914416), (152, 16853694), (156, 16421548), (169, 15158352), (176, 14555463), (208, 12316161), (209, 12257232), (228, 11235796), (247, 10371504), (264, 9703642), (286, 8957208), (304, 8426847), (312, 8210774), (338, 7579176), (418, 6128616), (429, 5971472), (456, 5617898), (494, 5185752), (507, 5052784), (528, 4851821), (572, 4478604), (624, 4105387), (627, 4085744), (676, 3789588), (741, 3457168), (836, 3064308), (858, 2985736), (912, 2808949), (988, 2592876), (1014, 2526392), (1144, 2239302), (1254, 2042872), (1352, 1894794), (1482, 1728584), (1511, 1695408), (1672, 1532154), (1716, 1492868), (1859, 1378032), (1976, 1296438), (2028, 1263196), (2288, 1119651), (2508, 1021436), (2704, 947397), (2717, 942864), (2964, 864292), (3022, 847704), (3211, 797808), (3344, 766077), (3432, 746434), (3718, 689016), (3952, 648219), (4056, 631598), (4533, 565136), (5016, 510718), (5434, 471432), (5577, 459344), (5928, 432146), (6044, 423852), (6422, 398904), (6864, 373217), (7436, 344508), (8112, 315799), (8151, 314288), (9066, 282568), (9633, 265936), (10032, 255359), (10868, 235716), (11154, 229672), (11856, 216073), (12088, 211926), (12844, 199452), (14872, 172254), (16302, 157144), (16621, 154128), (18132, 141284), (19266, 132968), (19643, 130416), (21736, 117858), (22308, 114836), (24176, 105963), (25688, 99726), (28709, 89232), (29744, 86127), (32604, 78572), (33242, 77064), (35321, 72528), (36264, 70642), (38532, 66484), (39286, 65208), (43472, 58929), (44616, 57418), (49863, 51376)]