256641588

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1107

約数の個数: 192

約数和(自身を含む): 848332800

約数和(自身を除く): 591691212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 19, 21, 27, 28, 34, 36, 38, 42, 51, 54, 57, 63, 68, 76, 84, 102, 108, 114, 119, 126, 133, 153, 171, 189, 204, 228, 238, 252, 266, 306, 323, 342, 357, 378, 399, 459, 476, 513, 532, 612, 646, 684, 714, 756, 798, 918, 969, 1026, 1051, 1071, 1197, 1292, 1428, 1596, 1836, 1938, 2052, 2102, 2142, 2261, 2394, 2907, 3153, 3213, 3591, 3876, 4204, 4284, 4522, 4788, 5814, 6306, 6426, 6783, 7182, 7357, 8721, 9044, 9459, 11628, 12612, 12852, 13566, 14364, 14714, 17442, 17867, 18918, 19969, 20349, 22071, 27132, 28377, 29428, 34884, 35734, 37836, 39938, 40698, 44142, 53601, 56754, 59907, 61047, 66213, 71468, 79876, 81396, 88284, 107202, 113508, 119814, 122094, 125069, 132426, 139783, 160803, 179721, 198639, 214404, 239628, 244188, 250138, 264852, 279566, 321606, 339473, 359442, 375207, 397278, 419349, 482409, 500276, 539163, 559132, 643212, 678946, 718884, 750414, 794556, 838698, 964818, 1018419, 1078326, 1125621, 1258047, 1357892, 1500828, 1677396, 1929636, 2036838, 2156652, 2251242, 2376311, 2516094, 3055257, 3376863, 3774141, 4073676, 4502484, 4752622, 5032188, 6110514, 6753726, 7128933, 7548282, 9165771, 9505244, 12221028, 13507452, 14257866, 15096564, 18331542, 21386799, 28515732, 36663084, 42773598, 64160397, 85547196, 128320794, 256641588]

約数ペア:

[(1, 256641588), (2, 128320794), (3, 85547196), (4, 64160397), (6, 42773598), (7, 36663084), (9, 28515732), (12, 21386799), (14, 18331542), (17, 15096564), (18, 14257866), (19, 13507452), (21, 12221028), (27, 9505244), (28, 9165771), (34, 7548282), (36, 7128933), (38, 6753726), (42, 6110514), (51, 5032188), (54, 4752622), (57, 4502484), (63, 4073676), (68, 3774141), (76, 3376863), (84, 3055257), (102, 2516094), (108, 2376311), (114, 2251242), (119, 2156652), (126, 2036838), (133, 1929636), (153, 1677396), (171, 1500828), (189, 1357892), (204, 1258047), (228, 1125621), (238, 1078326), (252, 1018419), (266, 964818), (306, 838698), (323, 794556), (342, 750414), (357, 718884), (378, 678946), (399, 643212), (459, 559132), (476, 539163), (513, 500276), (532, 482409), (612, 419349), (646, 397278), (684, 375207), (714, 359442), (756, 339473), (798, 321606), (918, 279566), (969, 264852), (1026, 250138), (1051, 244188), (1071, 239628), (1197, 214404), (1292, 198639), (1428, 179721), (1596, 160803), (1836, 139783), (1938, 132426), (2052, 125069), (2102, 122094), (2142, 119814), (2261, 113508), (2394, 107202), (2907, 88284), (3153, 81396), (3213, 79876), (3591, 71468), (3876, 66213), (4204, 61047), (4284, 59907), (4522, 56754), (4788, 53601), (5814, 44142), (6306, 40698), (6426, 39938), (6783, 37836), (7182, 35734), (7357, 34884), (8721, 29428), (9044, 28377), (9459, 27132), (11628, 22071), (12612, 20349), (12852, 19969), (13566, 18918), (14364, 17867), (14714, 17442)]