261806688

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1$

素因数の和:219

約数の個数: 288

約数和(自身を含む): 907562880

約数和(自身を除く): 645756192

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 27, 32, 33, 36, 39, 44, 48, 52, 54, 66, 72, 78, 88, 96, 99, 104, 108, 117, 132, 143, 144, 156, 163, 169, 176, 198, 208, 216, 234, 264, 286, 288, 297, 312, 326, 338, 351, 352, 396, 416, 429, 432, 468, 489, 507, 528, 572, 594, 624, 652, 676, 702, 792, 858, 864, 936, 978, 1014, 1056, 1144, 1188, 1248, 1287, 1304, 1352, 1404, 1467, 1521, 1584, 1716, 1793, 1859, 1872, 1956, 2028, 2119, 2288, 2376, 2574, 2608, 2704, 2808, 2934, 3042, 3168, 3432, 3586, 3718, 3744, 3861, 3912, 4056, 4238, 4401, 4563, 4576, 4752, 5148, 5216, 5379, 5408, 5577, 5616, 5868, 6084, 6357, 6864, 7172, 7436, 7722, 7824, 8112, 8476, 8802, 9126, 9504, 10296, 10758, 11154, 11232, 11736, 12168, 12714, 13728, 14344, 14872, 15444, 15648, 16137, 16224, 16731, 16952, 17604, 18252, 19071, 20592, 21516, 22308, 23309, 23472, 24336, 25428, 27547, 28688, 29744, 30888, 32274, 33462, 33904, 35208, 36504, 38142, 41184, 43032, 44616, 46618, 46944, 48411, 48672, 50193, 50856, 55094, 57213, 57376, 59488, 61776, 64548, 66924, 67808, 69927, 70416, 73008, 76284, 82641, 86064, 89232, 93236, 96822, 100386, 101712, 110188, 114426, 123552, 129096, 133848, 139854, 140832, 146016, 152568, 165282, 172128, 178464, 186472, 193644, 200772, 203424, 209781, 220376, 228852, 247923, 258192, 267696, 279708, 303017, 305136, 330564, 372944, 387288, 401544, 419562, 440752, 457704, 495846, 516384, 535392, 559416, 606034, 610272, 629343, 661128, 743769, 745888, 774576, 803088, 839124, 881504, 909051, 915408, 991692, 1118832, 1212068, 1258686, 1322256, 1487538, 1549152, 1606176, 1678248, 1818102, 1830816, 1983384, 2237664, 2424136, 2517372, 2644512, 2727153, 2975076, 3356496, 3636204, 3966768, 4848272, 5034744, 5454306, 5950152, 6712992, 7272408, 7933536, 8181459, 9696544, 10069488, 10908612, 11900304, 14544816, 16362918, 20138976, 21817224, 23800608, 29089632, 32725836, 43634448, 65451672, 87268896, 130903344, 261806688]

約数ペア:

[(1, 261806688), (2, 130903344), (3, 87268896), (4, 65451672), (6, 43634448), (8, 32725836), (9, 29089632), (11, 23800608), (12, 21817224), (13, 20138976), (16, 16362918), (18, 14544816), (22, 11900304), (24, 10908612), (26, 10069488), (27, 9696544), (32, 8181459), (33, 7933536), (36, 7272408), (39, 6712992), (44, 5950152), (48, 5454306), (52, 5034744), (54, 4848272), (66, 3966768), (72, 3636204), (78, 3356496), (88, 2975076), (96, 2727153), (99, 2644512), (104, 2517372), (108, 2424136), (117, 2237664), (132, 1983384), (143, 1830816), (144, 1818102), (156, 1678248), (163, 1606176), (169, 1549152), (176, 1487538), (198, 1322256), (208, 1258686), (216, 1212068), (234, 1118832), (264, 991692), (286, 915408), (288, 909051), (297, 881504), (312, 839124), (326, 803088), (338, 774576), (351, 745888), (352, 743769), (396, 661128), (416, 629343), (429, 610272), (432, 606034), (468, 559416), (489, 535392), (507, 516384), (528, 495846), (572, 457704), (594, 440752), (624, 419562), (652, 401544), (676, 387288), (702, 372944), (792, 330564), (858, 305136), (864, 303017), (936, 279708), (978, 267696), (1014, 258192), (1056, 247923), (1144, 228852), (1188, 220376), (1248, 209781), (1287, 203424), (1304, 200772), (1352, 193644), (1404, 186472), (1467, 178464), (1521, 172128), (1584, 165282), (1716, 152568), (1793, 146016), (1859, 140832), (1872, 139854), (1956, 133848), (2028, 129096), (2119, 123552), (2288, 114426), (2376, 110188), (2574, 101712), (2608, 100386), (2704, 96822), (2808, 93236), (2934, 89232), (3042, 86064), (3168, 82641), (3432, 76284), (3586, 73008), (3718, 70416), (3744, 69927), (3861, 67808), (3912, 66924), (4056, 64548), (4238, 61776), (4401, 59488), (4563, 57376), (4576, 57213), (4752, 55094), (5148, 50856), (5216, 50193), (5379, 48672), (5408, 48411), (5577, 46944), (5616, 46618), (5868, 44616), (6084, 43032), (6357, 41184), (6864, 38142), (7172, 36504), (7436, 35208), (7722, 33904), (7824, 33462), (8112, 32274), (8476, 30888), (8802, 29744), (9126, 28688), (9504, 27547), (10296, 25428), (10758, 24336), (11154, 23472), (11232, 23309), (11736, 22308), (12168, 21516), (12714, 20592), (13728, 19071), (14344, 18252), (14872, 17604), (15444, 16952), (15648, 16731), (16137, 16224)]