321081408

素因数分解:

$2^6\times 3^4\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:522

約数の個数: 140

約数和(自身を含む): 959454012

約数和(自身を除く): 638372604

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 192, 216, 241, 257, 288, 324, 432, 482, 514, 576, 648, 723, 771, 864, 964, 1028, 1296, 1446, 1542, 1728, 1928, 2056, 2169, 2313, 2592, 2892, 3084, 3856, 4112, 4338, 4626, 5184, 5784, 6168, 6507, 6939, 7712, 8224, 8676, 9252, 11568, 12336, 13014, 13878, 15424, 16448, 17352, 18504, 19521, 20817, 23136, 24672, 26028, 27756, 34704, 37008, 39042, 41634, 46272, 49344, 52056, 55512, 61937, 69408, 74016, 78084, 83268, 104112, 111024, 123874, 138816, 148032, 156168, 166536, 185811, 208224, 222048, 247748, 312336, 333072, 371622, 416448, 444096, 495496, 557433, 624672, 666144, 743244, 990992, 1114866, 1249344, 1332288, 1486488, 1672299, 1981984, 2229732, 2972976, 3344598, 3963968, 4459464, 5016897, 5945952, 6689196, 8918928, 10033794, 11891904, 13378392, 17837856, 20067588, 26756784, 35675712, 40135176, 53513568, 80270352, 107027136, 160540704, 321081408]

約数ペア:

[(1, 321081408), (2, 160540704), (3, 107027136), (4, 80270352), (6, 53513568), (8, 40135176), (9, 35675712), (12, 26756784), (16, 20067588), (18, 17837856), (24, 13378392), (27, 11891904), (32, 10033794), (36, 8918928), (48, 6689196), (54, 5945952), (64, 5016897), (72, 4459464), (81, 3963968), (96, 3344598), (108, 2972976), (144, 2229732), (162, 1981984), (192, 1672299), (216, 1486488), (241, 1332288), (257, 1249344), (288, 1114866), (324, 990992), (432, 743244), (482, 666144), (514, 624672), (576, 557433), (648, 495496), (723, 444096), (771, 416448), (864, 371622), (964, 333072), (1028, 312336), (1296, 247748), (1446, 222048), (1542, 208224), (1728, 185811), (1928, 166536), (2056, 156168), (2169, 148032), (2313, 138816), (2592, 123874), (2892, 111024), (3084, 104112), (3856, 83268), (4112, 78084), (4338, 74016), (4626, 69408), (5184, 61937), (5784, 55512), (6168, 52056), (6507, 49344), (6939, 46272), (7712, 41634), (8224, 39042), (8676, 37008), (9252, 34704), (11568, 27756), (12336, 26028), (13014, 24672), (13878, 23136), (15424, 20817), (16448, 19521), (17352, 18504)]