1285945472

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:810

約数の個数: 128

約数和(自身を含む): 3071815680

約数和(自身を除く): 1785870208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 67, 112, 124, 128, 134, 217, 224, 248, 268, 434, 448, 469, 496, 536, 691, 868, 896, 938, 992, 1072, 1382, 1736, 1876, 1984, 2077, 2144, 2764, 3472, 3752, 3968, 4154, 4288, 4837, 5528, 6944, 7504, 8308, 8576, 9674, 11056, 13888, 14539, 15008, 16616, 19348, 21421, 22112, 27776, 29078, 30016, 33232, 38696, 42842, 44224, 46297, 58156, 60032, 66464, 77392, 85684, 88448, 92594, 116312, 132928, 149947, 154784, 171368, 185188, 232624, 265856, 299894, 309568, 324079, 342736, 370376, 465248, 599788, 619136, 648158, 685472, 740752, 930496, 1199576, 1296316, 1370944, 1435207, 1481504, 1860992, 2399152, 2592632, 2741888, 2870414, 2963008, 4798304, 5185264, 5740828, 5926016, 9596608, 10046449, 10370528, 11481656, 19193216, 20092898, 20741056, 22963312, 40185796, 41482112, 45926624, 80371592, 91853248, 160743184, 183706496, 321486368, 642972736, 1285945472]

約数ペア:

[(1, 1285945472), (2, 642972736), (4, 321486368), (7, 183706496), (8, 160743184), (14, 91853248), (16, 80371592), (28, 45926624), (31, 41482112), (32, 40185796), (56, 22963312), (62, 20741056), (64, 20092898), (67, 19193216), (112, 11481656), (124, 10370528), (128, 10046449), (134, 9596608), (217, 5926016), (224, 5740828), (248, 5185264), (268, 4798304), (434, 2963008), (448, 2870414), (469, 2741888), (496, 2592632), (536, 2399152), (691, 1860992), (868, 1481504), (896, 1435207), (938, 1370944), (992, 1296316), (1072, 1199576), (1382, 930496), (1736, 740752), (1876, 685472), (1984, 648158), (2077, 619136), (2144, 599788), (2764, 465248), (3472, 370376), (3752, 342736), (3968, 324079), (4154, 309568), (4288, 299894), (4837, 265856), (5528, 232624), (6944, 185188), (7504, 171368), (8308, 154784), (8576, 149947), (9674, 132928), (11056, 116312), (13888, 92594), (14539, 88448), (15008, 85684), (16616, 77392), (19348, 66464), (21421, 60032), (22112, 58156), (27776, 46297), (29078, 44224), (30016, 42842), (33232, 38696)]