261298944

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 216

約数和(自身を含む): 816291840

約数和(自身を除く): 554992896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 47, 48, 57, 64, 72, 76, 94, 96, 114, 127, 128, 141, 144, 152, 171, 188, 192, 228, 254, 256, 282, 288, 304, 342, 376, 381, 384, 423, 456, 508, 564, 576, 608, 684, 752, 762, 768, 846, 893, 912, 1016, 1128, 1143, 1152, 1216, 1368, 1504, 1524, 1692, 1786, 1824, 2032, 2256, 2286, 2304, 2413, 2432, 2679, 2736, 3008, 3048, 3384, 3572, 3648, 4064, 4512, 4572, 4826, 4864, 5358, 5472, 5969, 6016, 6096, 6768, 7144, 7239, 7296, 8037, 8128, 9024, 9144, 9652, 10716, 10944, 11938, 12032, 12192, 13536, 14288, 14478, 14592, 16074, 16256, 17907, 18048, 18288, 19304, 21432, 21717, 21888, 23876, 24384, 27072, 28576, 28956, 32148, 32512, 35814, 36096, 36576, 38608, 42864, 43434, 43776, 47752, 48768, 53721, 54144, 57152, 57912, 64296, 71628, 73152, 77216, 85728, 86868, 95504, 97536, 107442, 108288, 113411, 114304, 115824, 128592, 143256, 146304, 154432, 171456, 173736, 191008, 214884, 226822, 228608, 231648, 257184, 286512, 292608, 308864, 340233, 342912, 347472, 382016, 429768, 453644, 463296, 514368, 573024, 617728, 680466, 685824, 694944, 764032, 859536, 907288, 926592, 1020699, 1028736, 1146048, 1360932, 1389888, 1528064, 1719072, 1814576, 1853184, 2041398, 2057472, 2292096, 2721864, 2779776, 3438144, 3629152, 4082796, 4584192, 5443728, 5559552, 6876288, 7258304, 8165592, 10887456, 13752576, 14516608, 16331184, 21774912, 29033216, 32662368, 43549824, 65324736, 87099648, 130649472, 261298944]

約数ペア:

[(1, 261298944), (2, 130649472), (3, 87099648), (4, 65324736), (6, 43549824), (8, 32662368), (9, 29033216), (12, 21774912), (16, 16331184), (18, 14516608), (19, 13752576), (24, 10887456), (32, 8165592), (36, 7258304), (38, 6876288), (47, 5559552), (48, 5443728), (57, 4584192), (64, 4082796), (72, 3629152), (76, 3438144), (94, 2779776), (96, 2721864), (114, 2292096), (127, 2057472), (128, 2041398), (141, 1853184), (144, 1814576), (152, 1719072), (171, 1528064), (188, 1389888), (192, 1360932), (228, 1146048), (254, 1028736), (256, 1020699), (282, 926592), (288, 907288), (304, 859536), (342, 764032), (376, 694944), (381, 685824), (384, 680466), (423, 617728), (456, 573024), (508, 514368), (564, 463296), (576, 453644), (608, 429768), (684, 382016), (752, 347472), (762, 342912), (768, 340233), (846, 308864), (893, 292608), (912, 286512), (1016, 257184), (1128, 231648), (1143, 228608), (1152, 226822), (1216, 214884), (1368, 191008), (1504, 173736), (1524, 171456), (1692, 154432), (1786, 146304), (1824, 143256), (2032, 128592), (2256, 115824), (2286, 114304), (2304, 113411), (2413, 108288), (2432, 107442), (2679, 97536), (2736, 95504), (3008, 86868), (3048, 85728), (3384, 77216), (3572, 73152), (3648, 71628), (4064, 64296), (4512, 57912), (4572, 57152), (4826, 54144), (4864, 53721), (5358, 48768), (5472, 47752), (5969, 43776), (6016, 43434), (6096, 42864), (6768, 38608), (7144, 36576), (7239, 36096), (7296, 35814), (8037, 32512), (8128, 32148), (9024, 28956), (9144, 28576), (9652, 27072), (10716, 24384), (10944, 23876), (11938, 21888), (12032, 21717), (12192, 21432), (13536, 19304), (14288, 18288), (14478, 18048), (14592, 17907), (16074, 16256)]