1285904256

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{751}}^1$

素因数の和:802

約数の個数: 256

約数和(自身を含む): 4295424000

約数和(自身を除く): 3009519744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 49, 52, 56, 64, 78, 84, 91, 96, 98, 104, 112, 128, 147, 156, 168, 182, 192, 196, 208, 224, 273, 294, 312, 336, 343, 364, 384, 392, 416, 448, 546, 588, 624, 637, 672, 686, 728, 751, 784, 832, 896, 1029, 1092, 1176, 1248, 1274, 1344, 1372, 1456, 1502, 1568, 1664, 1911, 2058, 2184, 2253, 2352, 2496, 2548, 2688, 2744, 2912, 3004, 3136, 3822, 4116, 4368, 4459, 4506, 4704, 4992, 5096, 5257, 5488, 5824, 6008, 6272, 7644, 8232, 8736, 8918, 9012, 9408, 9763, 10192, 10514, 10976, 11648, 12016, 13377, 15288, 15771, 16464, 17472, 17836, 18024, 18816, 19526, 20384, 21028, 21952, 24032, 26754, 29289, 30576, 31542, 32928, 34944, 35672, 36048, 36799, 39052, 40768, 42056, 43904, 48064, 53508, 58578, 61152, 63084, 65856, 68341, 71344, 72096, 73598, 78104, 81536, 84112, 96128, 107016, 110397, 117156, 122304, 126168, 131712, 136682, 142688, 144192, 147196, 156208, 168224, 205023, 214032, 220794, 234312, 244608, 252336, 257593, 273364, 285376, 288384, 294392, 312416, 336448, 410046, 428064, 441588, 468624, 478387, 504672, 515186, 546728, 570752, 588784, 624832, 672896, 772779, 820092, 856128, 883176, 937248, 956774, 1009344, 1030372, 1093456, 1177568, 1249664, 1435161, 1545558, 1640184, 1712256, 1766352, 1874496, 1913548, 2018688, 2060744, 2186912, 2355136, 2870322, 3091116, 3280368, 3348709, 3532704, 3748992, 3827096, 4121488, 4373824, 4710272, 5740644, 6182232, 6560736, 6697418, 7065408, 7654192, 8242976, 8747648, 10046127, 11481288, 12364464, 13121472, 13394836, 14130816, 15308384, 16485952, 20092254, 22962576, 24728928, 26242944, 26789672, 30616768, 32971904, 40184508, 45925152, 49457856, 53579344, 61233536, 80369016, 91850304, 98915712, 107158688, 160738032, 183700608, 214317376, 321476064, 428634752, 642952128, 1285904256]

約数ペア:

[(1, 1285904256), (2, 642952128), (3, 428634752), (4, 321476064), (6, 214317376), (7, 183700608), (8, 160738032), (12, 107158688), (13, 98915712), (14, 91850304), (16, 80369016), (21, 61233536), (24, 53579344), (26, 49457856), (28, 45925152), (32, 40184508), (39, 32971904), (42, 30616768), (48, 26789672), (49, 26242944), (52, 24728928), (56, 22962576), (64, 20092254), (78, 16485952), (84, 15308384), (91, 14130816), (96, 13394836), (98, 13121472), (104, 12364464), (112, 11481288), (128, 10046127), (147, 8747648), (156, 8242976), (168, 7654192), (182, 7065408), (192, 6697418), (196, 6560736), (208, 6182232), (224, 5740644), (273, 4710272), (294, 4373824), (312, 4121488), (336, 3827096), (343, 3748992), (364, 3532704), (384, 3348709), (392, 3280368), (416, 3091116), (448, 2870322), (546, 2355136), (588, 2186912), (624, 2060744), (637, 2018688), (672, 1913548), (686, 1874496), (728, 1766352), (751, 1712256), (784, 1640184), (832, 1545558), (896, 1435161), (1029, 1249664), (1092, 1177568), (1176, 1093456), (1248, 1030372), (1274, 1009344), (1344, 956774), (1372, 937248), (1456, 883176), (1502, 856128), (1568, 820092), (1664, 772779), (1911, 672896), (2058, 624832), (2184, 588784), (2253, 570752), (2352, 546728), (2496, 515186), (2548, 504672), (2688, 478387), (2744, 468624), (2912, 441588), (3004, 428064), (3136, 410046), (3822, 336448), (4116, 312416), (4368, 294392), (4459, 288384), (4506, 285376), (4704, 273364), (4992, 257593), (5096, 252336), (5257, 244608), (5488, 234312), (5824, 220794), (6008, 214032), (6272, 205023), (7644, 168224), (8232, 156208), (8736, 147196), (8918, 144192), (9012, 142688), (9408, 136682), (9763, 131712), (10192, 126168), (10514, 122304), (10976, 117156), (11648, 110397), (12016, 107016), (13377, 96128), (15288, 84112), (15771, 81536), (16464, 78104), (17472, 73598), (17836, 72096), (18024, 71344), (18816, 68341), (19526, 65856), (20384, 63084), (21028, 61152), (21952, 58578), (24032, 53508), (26754, 48064), (29289, 43904), (30576, 42056), (31542, 40768), (32928, 39052), (34944, 36799), (35672, 36048)]