511713280

素因数分解:

$2^{13}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:106

約数の個数: 168

約数和(自身を含む): 1366538796

約数和(自身を除く): 854825516

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 961, 992, 1024, 1040, 1240, 1280, 1612, 1664, 1922, 1984, 2015, 2048, 2080, 2480, 2560, 3224, 3328, 3844, 3968, 4030, 4096, 4160, 4805, 4960, 5120, 6448, 6656, 7688, 7936, 8060, 8192, 8320, 9610, 9920, 10240, 12493, 12896, 13312, 15376, 15872, 16120, 16640, 19220, 19840, 20480, 24986, 25792, 26624, 30752, 31744, 32240, 33280, 38440, 39680, 40960, 49972, 51584, 53248, 61504, 62465, 63488, 64480, 66560, 76880, 79360, 99944, 103168, 106496, 123008, 124930, 126976, 128960, 133120, 153760, 158720, 199888, 206336, 246016, 249860, 253952, 257920, 266240, 307520, 317440, 399776, 412672, 492032, 499720, 515840, 532480, 615040, 634880, 799552, 825344, 984064, 999440, 1031680, 1230080, 1269760, 1599104, 1650688, 1968128, 1998880, 2063360, 2460160, 3198208, 3301376, 3936256, 3997760, 4126720, 4920320, 6396416, 7872512, 7995520, 8253440, 9840640, 12792832, 15991040, 16506880, 19681280, 25585664, 31982080, 39362560, 51171328, 63964160, 102342656, 127928320, 255856640, 511713280]

約数ペア:

[(1, 511713280), (2, 255856640), (4, 127928320), (5, 102342656), (8, 63964160), (10, 51171328), (13, 39362560), (16, 31982080), (20, 25585664), (26, 19681280), (31, 16506880), (32, 15991040), (40, 12792832), (52, 9840640), (62, 8253440), (64, 7995520), (65, 7872512), (80, 6396416), (104, 4920320), (124, 4126720), (128, 3997760), (130, 3936256), (155, 3301376), (160, 3198208), (208, 2460160), (248, 2063360), (256, 1998880), (260, 1968128), (310, 1650688), (320, 1599104), (403, 1269760), (416, 1230080), (496, 1031680), (512, 999440), (520, 984064), (620, 825344), (640, 799552), (806, 634880), (832, 615040), (961, 532480), (992, 515840), (1024, 499720), (1040, 492032), (1240, 412672), (1280, 399776), (1612, 317440), (1664, 307520), (1922, 266240), (1984, 257920), (2015, 253952), (2048, 249860), (2080, 246016), (2480, 206336), (2560, 199888), (3224, 158720), (3328, 153760), (3844, 133120), (3968, 128960), (4030, 126976), (4096, 124930), (4160, 123008), (4805, 106496), (4960, 103168), (5120, 99944), (6448, 79360), (6656, 76880), (7688, 66560), (7936, 64480), (8060, 63488), (8192, 62465), (8320, 61504), (9610, 53248), (9920, 51584), (10240, 49972), (12493, 40960), (12896, 39680), (13312, 38440), (15376, 33280), (15872, 32240), (16120, 31744), (16640, 30752), (19220, 26624), (19840, 25792), (20480, 24986)]