256757184

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:875

約数の個数: 168

約数和(自身を含む): 802386000

約数和(自身を除く): 545628816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 29, 32, 36, 38, 48, 57, 58, 64, 72, 76, 87, 96, 114, 116, 144, 152, 171, 174, 192, 228, 232, 261, 288, 304, 342, 348, 456, 464, 522, 551, 576, 608, 684, 696, 809, 912, 928, 1044, 1102, 1216, 1368, 1392, 1618, 1653, 1824, 1856, 2088, 2204, 2427, 2736, 2784, 3236, 3306, 3648, 4176, 4408, 4854, 4959, 5472, 5568, 6472, 6612, 7281, 8352, 8816, 9708, 9918, 10944, 12944, 13224, 14562, 15371, 16704, 17632, 19416, 19836, 23461, 25888, 26448, 29124, 30742, 35264, 38832, 39672, 46113, 46922, 51776, 52896, 58248, 61484, 70383, 77664, 79344, 92226, 93844, 105792, 116496, 122968, 138339, 140766, 155328, 158688, 184452, 187688, 211149, 232992, 245936, 276678, 281532, 317376, 368904, 375376, 422298, 445759, 465984, 491872, 553356, 563064, 737808, 750752, 844596, 891518, 983744, 1106712, 1126128, 1337277, 1475616, 1501504, 1689192, 1783036, 2213424, 2252256, 2674554, 2951232, 3378384, 3566072, 4011831, 4426848, 4504512, 5349108, 6756768, 7132144, 8023662, 8853696, 10698216, 13513536, 14264288, 16047324, 21396432, 28528576, 32094648, 42792864, 64189296, 85585728, 128378592, 256757184]

約数ペア:

[(1, 256757184), (2, 128378592), (3, 85585728), (4, 64189296), (6, 42792864), (8, 32094648), (9, 28528576), (12, 21396432), (16, 16047324), (18, 14264288), (19, 13513536), (24, 10698216), (29, 8853696), (32, 8023662), (36, 7132144), (38, 6756768), (48, 5349108), (57, 4504512), (58, 4426848), (64, 4011831), (72, 3566072), (76, 3378384), (87, 2951232), (96, 2674554), (114, 2252256), (116, 2213424), (144, 1783036), (152, 1689192), (171, 1501504), (174, 1475616), (192, 1337277), (228, 1126128), (232, 1106712), (261, 983744), (288, 891518), (304, 844596), (342, 750752), (348, 737808), (456, 563064), (464, 553356), (522, 491872), (551, 465984), (576, 445759), (608, 422298), (684, 375376), (696, 368904), (809, 317376), (912, 281532), (928, 276678), (1044, 245936), (1102, 232992), (1216, 211149), (1368, 187688), (1392, 184452), (1618, 158688), (1653, 155328), (1824, 140766), (1856, 138339), (2088, 122968), (2204, 116496), (2427, 105792), (2736, 93844), (2784, 92226), (3236, 79344), (3306, 77664), (3648, 70383), (4176, 61484), (4408, 58248), (4854, 52896), (4959, 51776), (5472, 46922), (5568, 46113), (6472, 39672), (6612, 38832), (7281, 35264), (8352, 30742), (8816, 29124), (9708, 26448), (9918, 25888), (10944, 23461), (12944, 19836), (13224, 19416), (14562, 17632), (15371, 16704)]