261189216

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:373

約数の個数: 144

約数和(自身を含む): 772821504

約数和(自身を除く): 511632288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 127, 144, 148, 193, 222, 254, 288, 296, 333, 381, 386, 444, 508, 579, 592, 666, 762, 772, 888, 1016, 1143, 1158, 1184, 1332, 1524, 1544, 1737, 1776, 2032, 2286, 2316, 2664, 3048, 3088, 3474, 3552, 4064, 4572, 4632, 4699, 5328, 6096, 6176, 6948, 7141, 9144, 9264, 9398, 10656, 12192, 13896, 14097, 14282, 18288, 18528, 18796, 21423, 24511, 27792, 28194, 28564, 36576, 37592, 42291, 42846, 49022, 55584, 56388, 57128, 64269, 73533, 75184, 84582, 85692, 98044, 112776, 114256, 128538, 147066, 150368, 169164, 171384, 196088, 220599, 225552, 228512, 257076, 294132, 338328, 342768, 392176, 441198, 451104, 514152, 588264, 676656, 685536, 784352, 882396, 906907, 1028304, 1176528, 1353312, 1764792, 1813814, 2056608, 2353056, 2720721, 3529584, 3627628, 5441442, 7059168, 7255256, 8162163, 10882884, 14510512, 16324326, 21765768, 29021024, 32648652, 43531536, 65297304, 87063072, 130594608, 261189216]

約数ペア:

[(1, 261189216), (2, 130594608), (3, 87063072), (4, 65297304), (6, 43531536), (8, 32648652), (9, 29021024), (12, 21765768), (16, 16324326), (18, 14510512), (24, 10882884), (32, 8162163), (36, 7255256), (37, 7059168), (48, 5441442), (72, 3627628), (74, 3529584), (96, 2720721), (111, 2353056), (127, 2056608), (144, 1813814), (148, 1764792), (193, 1353312), (222, 1176528), (254, 1028304), (288, 906907), (296, 882396), (333, 784352), (381, 685536), (386, 676656), (444, 588264), (508, 514152), (579, 451104), (592, 441198), (666, 392176), (762, 342768), (772, 338328), (888, 294132), (1016, 257076), (1143, 228512), (1158, 225552), (1184, 220599), (1332, 196088), (1524, 171384), (1544, 169164), (1737, 150368), (1776, 147066), (2032, 128538), (2286, 114256), (2316, 112776), (2664, 98044), (3048, 85692), (3088, 84582), (3474, 75184), (3552, 73533), (4064, 64269), (4572, 57128), (4632, 56388), (4699, 55584), (5328, 49022), (6096, 42846), (6176, 42291), (6948, 37592), (7141, 36576), (9144, 28564), (9264, 28194), (9398, 27792), (10656, 24511), (12192, 21423), (13896, 18796), (14097, 18528), (14282, 18288)]