261207504

素因数分解:

$2^4\times 3^5\times {\mathrm{23}}^2\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 180

約数和(自身を含む): 798726656

約数和(自身を除く): 537519152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 81, 92, 108, 127, 138, 144, 162, 184, 207, 216, 243, 254, 276, 324, 368, 381, 414, 432, 486, 508, 529, 552, 621, 648, 762, 828, 972, 1016, 1058, 1104, 1143, 1242, 1296, 1524, 1587, 1656, 1863, 1944, 2032, 2116, 2286, 2484, 2921, 3048, 3174, 3312, 3429, 3726, 3888, 4232, 4572, 4761, 4968, 5589, 5842, 6096, 6348, 6858, 7452, 8464, 8763, 9144, 9522, 9936, 10287, 11178, 11684, 12696, 13716, 14283, 14904, 17526, 18288, 19044, 20574, 22356, 23368, 25392, 26289, 27432, 28566, 29808, 30861, 35052, 38088, 41148, 42849, 44712, 46736, 52578, 54864, 57132, 61722, 67183, 70104, 76176, 78867, 82296, 85698, 89424, 105156, 114264, 123444, 128547, 134366, 140208, 157734, 164592, 171396, 201549, 210312, 228528, 236601, 246888, 257094, 268732, 315468, 342792, 403098, 420624, 473202, 493776, 514188, 537464, 604647, 630936, 685584, 709803, 806196, 946404, 1028376, 1074928, 1209294, 1261872, 1419606, 1612392, 1813941, 1892808, 2056752, 2418588, 2839212, 3224784, 3627882, 3785616, 4837176, 5441823, 5678424, 7255764, 9674352, 10883646, 11356848, 14511528, 16325469, 21767292, 29023056, 32650938, 43534584, 65301876, 87069168, 130603752, 261207504]

約数ペア:

[(1, 261207504), (2, 130603752), (3, 87069168), (4, 65301876), (6, 43534584), (8, 32650938), (9, 29023056), (12, 21767292), (16, 16325469), (18, 14511528), (23, 11356848), (24, 10883646), (27, 9674352), (36, 7255764), (46, 5678424), (48, 5441823), (54, 4837176), (69, 3785616), (72, 3627882), (81, 3224784), (92, 2839212), (108, 2418588), (127, 2056752), (138, 1892808), (144, 1813941), (162, 1612392), (184, 1419606), (207, 1261872), (216, 1209294), (243, 1074928), (254, 1028376), (276, 946404), (324, 806196), (368, 709803), (381, 685584), (414, 630936), (432, 604647), (486, 537464), (508, 514188), (529, 493776), (552, 473202), (621, 420624), (648, 403098), (762, 342792), (828, 315468), (972, 268732), (1016, 257094), (1058, 246888), (1104, 236601), (1143, 228528), (1242, 210312), (1296, 201549), (1524, 171396), (1587, 164592), (1656, 157734), (1863, 140208), (1944, 134366), (2032, 128547), (2116, 123444), (2286, 114264), (2484, 105156), (2921, 89424), (3048, 85698), (3174, 82296), (3312, 78867), (3429, 76176), (3726, 70104), (3888, 67183), (4232, 61722), (4572, 57132), (4761, 54864), (4968, 52578), (5589, 46736), (5842, 44712), (6096, 42849), (6348, 41148), (6858, 38088), (7452, 35052), (8464, 30861), (8763, 29808), (9144, 28566), (9522, 27432), (9936, 26289), (10287, 25392), (11178, 23368), (11684, 22356), (12696, 20574), (13716, 19044), (14283, 18288), (14904, 17526)]