256618332

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1$

素因数の和:836

約数の個数: 144

約数和(自身を含む): 748893600

約数和(自身を除く): 492275268

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 29, 34, 36, 38, 51, 57, 58, 68, 76, 87, 102, 114, 116, 153, 171, 174, 204, 228, 261, 306, 323, 342, 348, 493, 522, 551, 612, 646, 684, 761, 969, 986, 1044, 1102, 1292, 1479, 1522, 1653, 1938, 1972, 2204, 2283, 2907, 2958, 3044, 3306, 3876, 4437, 4566, 4959, 5814, 5916, 6612, 6849, 8874, 9132, 9367, 9918, 11628, 12937, 13698, 14459, 17748, 18734, 19836, 22069, 25874, 27396, 28101, 28918, 37468, 38811, 43377, 44138, 51748, 56202, 57836, 66207, 77622, 84303, 86754, 88276, 112404, 116433, 130131, 132414, 155244, 168606, 173508, 198621, 232866, 245803, 260262, 264828, 337212, 375173, 397242, 419311, 465732, 491606, 520524, 737409, 750346, 794484, 838622, 983212, 1125519, 1257933, 1474818, 1500692, 1677244, 2212227, 2251038, 2515866, 2949636, 3376557, 3773799, 4424454, 4502076, 5031732, 6753114, 7128287, 7547598, 8848908, 13506228, 14256574, 15095196, 21384861, 28513148, 42769722, 64154583, 85539444, 128309166, 256618332]

約数ペア:

[(1, 256618332), (2, 128309166), (3, 85539444), (4, 64154583), (6, 42769722), (9, 28513148), (12, 21384861), (17, 15095196), (18, 14256574), (19, 13506228), (29, 8848908), (34, 7547598), (36, 7128287), (38, 6753114), (51, 5031732), (57, 4502076), (58, 4424454), (68, 3773799), (76, 3376557), (87, 2949636), (102, 2515866), (114, 2251038), (116, 2212227), (153, 1677244), (171, 1500692), (174, 1474818), (204, 1257933), (228, 1125519), (261, 983212), (306, 838622), (323, 794484), (342, 750346), (348, 737409), (493, 520524), (522, 491606), (551, 465732), (612, 419311), (646, 397242), (684, 375173), (761, 337212), (969, 264828), (986, 260262), (1044, 245803), (1102, 232866), (1292, 198621), (1479, 173508), (1522, 168606), (1653, 155244), (1938, 132414), (1972, 130131), (2204, 116433), (2283, 112404), (2907, 88276), (2958, 86754), (3044, 84303), (3306, 77622), (3876, 66207), (4437, 57836), (4566, 56202), (4959, 51748), (5814, 44138), (5916, 43377), (6612, 38811), (6849, 37468), (8874, 28918), (9132, 28101), (9367, 27396), (9918, 25874), (11628, 22069), (12937, 19836), (13698, 18734), (14459, 17748)]