261172912

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:771

約数の個数: 160

約数和(自身を含む): 709954560

約数和(自身を除く): 448781648

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 23, 26, 28, 44, 46, 52, 56, 77, 88, 91, 92, 104, 112, 143, 154, 161, 176, 182, 184, 208, 253, 286, 299, 308, 322, 364, 368, 506, 572, 598, 616, 644, 709, 728, 1001, 1012, 1144, 1196, 1232, 1288, 1418, 1456, 1771, 2002, 2024, 2093, 2288, 2392, 2576, 2836, 3289, 3542, 4004, 4048, 4186, 4784, 4963, 5672, 6578, 7084, 7799, 8008, 8372, 9217, 9926, 11344, 13156, 14168, 15598, 16016, 16307, 16744, 18434, 19852, 23023, 26312, 28336, 31196, 32614, 33488, 36868, 39704, 46046, 52624, 54593, 62392, 64519, 65228, 73736, 79408, 92092, 101387, 109186, 114149, 124784, 129038, 130456, 147472, 179377, 184184, 202774, 211991, 218372, 228298, 258076, 260912, 358754, 368368, 405548, 423982, 436744, 456596, 516152, 709709, 717508, 811096, 847964, 873488, 913192, 1032304, 1255639, 1419418, 1435016, 1483937, 1622192, 1695928, 1826384, 2331901, 2511278, 2838836, 2870032, 2967874, 3391856, 4663802, 5022556, 5677672, 5935748, 9327604, 10045112, 11355344, 11871496, 16323307, 18655208, 20090224, 23742992, 32646614, 37310416, 65293228, 130586456, 261172912]

約数ペア:

[(1, 261172912), (2, 130586456), (4, 65293228), (7, 37310416), (8, 32646614), (11, 23742992), (13, 20090224), (14, 18655208), (16, 16323307), (22, 11871496), (23, 11355344), (26, 10045112), (28, 9327604), (44, 5935748), (46, 5677672), (52, 5022556), (56, 4663802), (77, 3391856), (88, 2967874), (91, 2870032), (92, 2838836), (104, 2511278), (112, 2331901), (143, 1826384), (154, 1695928), (161, 1622192), (176, 1483937), (182, 1435016), (184, 1419418), (208, 1255639), (253, 1032304), (286, 913192), (299, 873488), (308, 847964), (322, 811096), (364, 717508), (368, 709709), (506, 516152), (572, 456596), (598, 436744), (616, 423982), (644, 405548), (709, 368368), (728, 358754), (1001, 260912), (1012, 258076), (1144, 228298), (1196, 218372), (1232, 211991), (1288, 202774), (1418, 184184), (1456, 179377), (1771, 147472), (2002, 130456), (2024, 129038), (2093, 124784), (2288, 114149), (2392, 109186), (2576, 101387), (2836, 92092), (3289, 79408), (3542, 73736), (4004, 65228), (4048, 64519), (4186, 62392), (4784, 54593), (4963, 52624), (5672, 46046), (6578, 39704), (7084, 36868), (7799, 33488), (8008, 32614), (8372, 31196), (9217, 28336), (9926, 26312), (11344, 23023), (13156, 19852), (14168, 18434), (15598, 16744), (16016, 16307)]