261897216

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:690

約数の個数: 176

約数和(自身を含む): 841071360

約数和(自身を除く): 579174144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 256, 266, 304, 336, 384, 399, 448, 456, 512, 532, 608, 641, 672, 768, 798, 896, 912, 1024, 1064, 1216, 1282, 1344, 1536, 1596, 1792, 1824, 1923, 2128, 2432, 2564, 2688, 3072, 3192, 3584, 3648, 3846, 4256, 4487, 4864, 5128, 5376, 6384, 7168, 7296, 7692, 8512, 8974, 9728, 10256, 10752, 12179, 12768, 13461, 14592, 15384, 17024, 17948, 19456, 20512, 21504, 24358, 25536, 26922, 29184, 30768, 34048, 35896, 36537, 41024, 48716, 51072, 53844, 58368, 61536, 68096, 71792, 73074, 82048, 85253, 97432, 102144, 107688, 123072, 136192, 143584, 146148, 164096, 170506, 194864, 204288, 215376, 246144, 255759, 287168, 292296, 328192, 341012, 389728, 408576, 430752, 492288, 511518, 574336, 584592, 656384, 682024, 779456, 861504, 984576, 1023036, 1148672, 1169184, 1364048, 1558912, 1723008, 1969152, 2046072, 2297344, 2338368, 2728096, 3117824, 3446016, 4092144, 4594688, 4676736, 5456192, 6235648, 6892032, 8184288, 9353472, 10912384, 12471296, 13784064, 16368576, 18706944, 21824768, 32737152, 37413888, 43649536, 65474304, 87299072, 130948608, 261897216]

約数ペア:

[(1, 261897216), (2, 130948608), (3, 87299072), (4, 65474304), (6, 43649536), (7, 37413888), (8, 32737152), (12, 21824768), (14, 18706944), (16, 16368576), (19, 13784064), (21, 12471296), (24, 10912384), (28, 9353472), (32, 8184288), (38, 6892032), (42, 6235648), (48, 5456192), (56, 4676736), (57, 4594688), (64, 4092144), (76, 3446016), (84, 3117824), (96, 2728096), (112, 2338368), (114, 2297344), (128, 2046072), (133, 1969152), (152, 1723008), (168, 1558912), (192, 1364048), (224, 1169184), (228, 1148672), (256, 1023036), (266, 984576), (304, 861504), (336, 779456), (384, 682024), (399, 656384), (448, 584592), (456, 574336), (512, 511518), (532, 492288), (608, 430752), (641, 408576), (672, 389728), (768, 341012), (798, 328192), (896, 292296), (912, 287168), (1024, 255759), (1064, 246144), (1216, 215376), (1282, 204288), (1344, 194864), (1536, 170506), (1596, 164096), (1792, 146148), (1824, 143584), (1923, 136192), (2128, 123072), (2432, 107688), (2564, 102144), (2688, 97432), (3072, 85253), (3192, 82048), (3584, 73074), (3648, 71792), (3846, 68096), (4256, 61536), (4487, 58368), (4864, 53844), (5128, 51072), (5376, 48716), (6384, 41024), (7168, 36537), (7296, 35896), (7692, 34048), (8512, 30768), (8974, 29184), (9728, 26922), (10256, 25536), (10752, 24358), (12179, 21504), (12768, 20512), (13461, 19456), (14592, 17948), (15384, 17024)]