1280507904

素因数分解:

$2^{16}\times 3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:218

約数の個数: 204

約数和(自身を含む): 4007626896

約数和(自身を除く): 2727118992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 167, 192, 208, 234, 256, 288, 312, 334, 384, 416, 468, 501, 512, 576, 624, 668, 768, 832, 936, 1002, 1024, 1152, 1248, 1336, 1503, 1536, 1664, 1872, 2004, 2048, 2171, 2304, 2496, 2672, 3006, 3072, 3328, 3744, 4008, 4096, 4342, 4608, 4992, 5344, 6012, 6144, 6513, 6656, 7488, 8016, 8192, 8684, 9216, 9984, 10688, 12024, 12288, 13026, 13312, 14976, 16032, 16384, 17368, 18432, 19539, 19968, 21376, 24048, 24576, 26052, 26624, 29952, 32064, 32768, 34736, 36864, 39078, 39936, 42752, 48096, 49152, 52104, 53248, 59904, 64128, 65536, 69472, 73728, 78156, 79872, 85504, 96192, 98304, 104208, 106496, 119808, 128256, 138944, 147456, 156312, 159744, 171008, 192384, 196608, 208416, 212992, 239616, 256512, 277888, 294912, 312624, 319488, 342016, 384768, 416832, 425984, 479232, 513024, 555776, 589824, 625248, 638976, 684032, 769536, 833664, 851968, 958464, 1026048, 1111552, 1250496, 1277952, 1368064, 1539072, 1667328, 1916928, 2052096, 2223104, 2500992, 2555904, 2736128, 3078144, 3334656, 3833856, 4104192, 4446208, 5001984, 5472256, 6156288, 6669312, 7667712, 8208384, 8892416, 10003968, 10944512, 12312576, 13338624, 16416768, 17784832, 20007936, 24625152, 26677248, 32833536, 35569664, 40015872, 49250304, 53354496, 71139328, 80031744, 98500608, 106708992, 142278656, 160063488, 213417984, 320126976, 426835968, 640253952, 1280507904]

約数ペア:

[(1, 1280507904), (2, 640253952), (3, 426835968), (4, 320126976), (6, 213417984), (8, 160063488), (9, 142278656), (12, 106708992), (13, 98500608), (16, 80031744), (18, 71139328), (24, 53354496), (26, 49250304), (32, 40015872), (36, 35569664), (39, 32833536), (48, 26677248), (52, 24625152), (64, 20007936), (72, 17784832), (78, 16416768), (96, 13338624), (104, 12312576), (117, 10944512), (128, 10003968), (144, 8892416), (156, 8208384), (167, 7667712), (192, 6669312), (208, 6156288), (234, 5472256), (256, 5001984), (288, 4446208), (312, 4104192), (334, 3833856), (384, 3334656), (416, 3078144), (468, 2736128), (501, 2555904), (512, 2500992), (576, 2223104), (624, 2052096), (668, 1916928), (768, 1667328), (832, 1539072), (936, 1368064), (1002, 1277952), (1024, 1250496), (1152, 1111552), (1248, 1026048), (1336, 958464), (1503, 851968), (1536, 833664), (1664, 769536), (1872, 684032), (2004, 638976), (2048, 625248), (2171, 589824), (2304, 555776), (2496, 513024), (2672, 479232), (3006, 425984), (3072, 416832), (3328, 384768), (3744, 342016), (4008, 319488), (4096, 312624), (4342, 294912), (4608, 277888), (4992, 256512), (5344, 239616), (6012, 212992), (6144, 208416), (6513, 196608), (6656, 192384), (7488, 171008), (8016, 159744), (8192, 156312), (8684, 147456), (9216, 138944), (9984, 128256), (10688, 119808), (12024, 106496), (12288, 104208), (13026, 98304), (13312, 96192), (14976, 85504), (16032, 79872), (16384, 78156), (17368, 73728), (18432, 69472), (19539, 65536), (19968, 64128), (21376, 59904), (24048, 53248), (24576, 52104), (26052, 49152), (26624, 48096), (29952, 42752), (32064, 39936), (32768, 39078), (34736, 36864)]