257140656

素因数分解:

$2^4\times 3^5\times {\mathrm{66137}}^1$

素因数の和:66160

約数の個数: 60

約数和(自身を含む): 746301192

約数和(自身を除く): 489160536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 66137, 132274, 198411, 264548, 396822, 529096, 595233, 793644, 1058192, 1190466, 1587288, 1785699, 2380932, 3174576, 3571398, 4761864, 5357097, 7142796, 9523728, 10714194, 14285592, 16071291, 21428388, 28571184, 32142582, 42856776, 64285164, 85713552, 128570328, 257140656]

約数ペア:

[(1, 257140656), (2, 128570328), (3, 85713552), (4, 64285164), (6, 42856776), (8, 32142582), (9, 28571184), (12, 21428388), (16, 16071291), (18, 14285592), (24, 10714194), (27, 9523728), (36, 7142796), (48, 5357097), (54, 4761864), (72, 3571398), (81, 3174576), (108, 2380932), (144, 1785699), (162, 1587288), (216, 1190466), (243, 1058192), (324, 793644), (432, 595233), (486, 529096), (648, 396822), (972, 264548), (1296, 198411), (1944, 132274), (3888, 66137)]