2561506688

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 256

約数和(自身を含む): 6317015040

約数和(自身を除く): 3755508352

約数列:

[1, 2, 4, 8, 13, 16, 17, 23, 26, 31, 32, 34, 46, 52, 62, 64, 68, 92, 104, 124, 127, 128, 136, 184, 208, 221, 248, 254, 272, 299, 368, 391, 403, 416, 442, 496, 508, 527, 544, 598, 713, 736, 782, 806, 832, 884, 992, 1016, 1054, 1088, 1196, 1426, 1472, 1564, 1612, 1651, 1664, 1768, 1984, 2032, 2108, 2159, 2176, 2392, 2852, 2921, 2944, 3128, 3224, 3302, 3536, 3937, 3968, 4064, 4216, 4318, 4784, 5083, 5704, 5842, 6256, 6448, 6604, 6851, 7072, 7874, 8128, 8432, 8636, 9269, 9568, 10166, 11408, 11684, 12121, 12512, 12896, 13208, 13702, 14144, 15748, 16256, 16864, 17272, 18538, 19136, 20332, 22816, 23368, 24242, 25024, 25792, 26416, 27404, 28067, 28288, 31496, 33728, 34544, 37076, 37973, 38272, 40664, 45632, 46736, 48484, 49657, 50048, 51181, 51584, 52832, 54808, 56134, 62992, 66929, 67456, 69088, 74152, 75946, 81328, 90551, 91264, 93472, 96968, 99314, 102362, 105664, 109616, 112268, 125984, 133858, 138176, 148304, 151892, 157573, 162656, 181102, 186944, 193936, 198628, 204724, 211328, 219232, 224536, 251968, 267716, 276352, 296608, 303784, 315146, 325312, 362204, 373888, 387872, 397256, 409448, 438464, 449072, 503936, 535432, 593216, 607568, 630292, 645541, 650624, 724408, 775744, 794512, 818896, 870077, 876928, 898144, 1070864, 1177163, 1186432, 1215136, 1260584, 1291082, 1448816, 1539367, 1551488, 1589024, 1637792, 1740154, 1796288, 2141728, 2354326, 2430272, 2521168, 2582164, 2897632, 3078734, 3178048, 3275584, 3480308, 3592576, 4283456, 4708652, 4860544, 5042336, 5164328, 5795264, 6157468, 6356096, 6551168, 6960616, 8566912, 9417304, 10084672, 10328656, 11590528, 12314936, 13921232, 18834608, 20011771, 20169344, 20657312, 24629872, 27842464, 37669216, 40023542, 41314624, 49259744, 55684928, 75338432, 80047084, 82629248, 98519488, 111369856, 150676864, 160094168, 197038976, 320188336, 640376672, 1280753344, 2561506688]

約数ペア:

[(1, 2561506688), (2, 1280753344), (4, 640376672), (8, 320188336), (13, 197038976), (16, 160094168), (17, 150676864), (23, 111369856), (26, 98519488), (31, 82629248), (32, 80047084), (34, 75338432), (46, 55684928), (52, 49259744), (62, 41314624), (64, 40023542), (68, 37669216), (92, 27842464), (104, 24629872), (124, 20657312), (127, 20169344), (128, 20011771), (136, 18834608), (184, 13921232), (208, 12314936), (221, 11590528), (248, 10328656), (254, 10084672), (272, 9417304), (299, 8566912), (368, 6960616), (391, 6551168), (403, 6356096), (416, 6157468), (442, 5795264), (496, 5164328), (508, 5042336), (527, 4860544), (544, 4708652), (598, 4283456), (713, 3592576), (736, 3480308), (782, 3275584), (806, 3178048), (832, 3078734), (884, 2897632), (992, 2582164), (1016, 2521168), (1054, 2430272), (1088, 2354326), (1196, 2141728), (1426, 1796288), (1472, 1740154), (1564, 1637792), (1612, 1589024), (1651, 1551488), (1664, 1539367), (1768, 1448816), (1984, 1291082), (2032, 1260584), (2108, 1215136), (2159, 1186432), (2176, 1177163), (2392, 1070864), (2852, 898144), (2921, 876928), (2944, 870077), (3128, 818896), (3224, 794512), (3302, 775744), (3536, 724408), (3937, 650624), (3968, 645541), (4064, 630292), (4216, 607568), (4318, 593216), (4784, 535432), (5083, 503936), (5704, 449072), (5842, 438464), (6256, 409448), (6448, 397256), (6604, 387872), (6851, 373888), (7072, 362204), (7874, 325312), (8128, 315146), (8432, 303784), (8636, 296608), (9269, 276352), (9568, 267716), (10166, 251968), (11408, 224536), (11684, 219232), (12121, 211328), (12512, 204724), (12896, 198628), (13208, 193936), (13702, 186944), (14144, 181102), (15748, 162656), (16256, 157573), (16864, 151892), (17272, 148304), (18538, 138176), (19136, 133858), (20332, 125984), (22816, 112268), (23368, 109616), (24242, 105664), (25024, 102362), (25792, 99314), (26416, 96968), (27404, 93472), (28067, 91264), (28288, 90551), (31496, 81328), (33728, 75946), (34544, 74152), (37076, 69088), (37973, 67456), (38272, 66929), (40664, 62992), (45632, 56134), (46736, 54808), (48484, 52832), (49657, 51584), (50048, 51181)]