280010016

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{523}}^1$

素因数の和:576

約数の個数: 216

約数和(自身を含む): 942426576

約数和(自身を除く): 662416560

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 32, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 96, 99, 104, 117, 132, 143, 144, 156, 169, 176, 198, 208, 234, 264, 286, 288, 312, 338, 352, 396, 416, 429, 468, 507, 523, 528, 572, 624, 676, 792, 858, 936, 1014, 1046, 1056, 1144, 1248, 1287, 1352, 1521, 1569, 1584, 1716, 1859, 1872, 2028, 2092, 2288, 2574, 2704, 3042, 3138, 3168, 3432, 3718, 3744, 4056, 4184, 4576, 4707, 5148, 5408, 5577, 5753, 6084, 6276, 6799, 6864, 7436, 8112, 8368, 9414, 10296, 11154, 11506, 12168, 12552, 13598, 13728, 14872, 16224, 16731, 16736, 17259, 18828, 20397, 20592, 22308, 23012, 24336, 25104, 27196, 29744, 33462, 34518, 37656, 40794, 41184, 44616, 46024, 48672, 50208, 51777, 54392, 59488, 61191, 66924, 69036, 74789, 75312, 81588, 88387, 89232, 92048, 103554, 108784, 122382, 133848, 138072, 149578, 150624, 163176, 176774, 178464, 184096, 207108, 217568, 224367, 244764, 265161, 267696, 276144, 299156, 326352, 353548, 414216, 448734, 489528, 530322, 535392, 552288, 598312, 652704, 673101, 707096, 795483, 828432, 897468, 972257, 979056, 1060644, 1196624, 1346202, 1414192, 1590966, 1656864, 1794936, 1944514, 1958112, 2121288, 2393248, 2692404, 2828384, 2916771, 3181932, 3589872, 3889028, 4242576, 5384808, 5833542, 6363864, 7179744, 7778056, 8485152, 8750313, 10769616, 11667084, 12727728, 15556112, 17500626, 21539232, 23334168, 25455456, 31112224, 35001252, 46668336, 70002504, 93336672, 140005008, 280010016]

約数ペア:

[(1, 280010016), (2, 140005008), (3, 93336672), (4, 70002504), (6, 46668336), (8, 35001252), (9, 31112224), (11, 25455456), (12, 23334168), (13, 21539232), (16, 17500626), (18, 15556112), (22, 12727728), (24, 11667084), (26, 10769616), (32, 8750313), (33, 8485152), (36, 7778056), (39, 7179744), (44, 6363864), (48, 5833542), (52, 5384808), (66, 4242576), (72, 3889028), (78, 3589872), (88, 3181932), (96, 2916771), (99, 2828384), (104, 2692404), (117, 2393248), (132, 2121288), (143, 1958112), (144, 1944514), (156, 1794936), (169, 1656864), (176, 1590966), (198, 1414192), (208, 1346202), (234, 1196624), (264, 1060644), (286, 979056), (288, 972257), (312, 897468), (338, 828432), (352, 795483), (396, 707096), (416, 673101), (429, 652704), (468, 598312), (507, 552288), (523, 535392), (528, 530322), (572, 489528), (624, 448734), (676, 414216), (792, 353548), (858, 326352), (936, 299156), (1014, 276144), (1046, 267696), (1056, 265161), (1144, 244764), (1248, 224367), (1287, 217568), (1352, 207108), (1521, 184096), (1569, 178464), (1584, 176774), (1716, 163176), (1859, 150624), (1872, 149578), (2028, 138072), (2092, 133848), (2288, 122382), (2574, 108784), (2704, 103554), (3042, 92048), (3138, 89232), (3168, 88387), (3432, 81588), (3718, 75312), (3744, 74789), (4056, 69036), (4184, 66924), (4576, 61191), (4707, 59488), (5148, 54392), (5408, 51777), (5577, 50208), (5753, 48672), (6084, 46024), (6276, 44616), (6799, 41184), (6864, 40794), (7436, 37656), (8112, 34518), (8368, 33462), (9414, 29744), (10296, 27196), (11154, 25104), (11506, 24336), (12168, 23012), (12552, 22308), (13598, 20592), (13728, 20397), (14872, 18828), (16224, 17259), (16731, 16736)]