81887040

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{28433}}^1$

素因数の和:28456

約数の個数: 84

約数和(自身を含む): 281667204

約数和(自身を除く): 199780164

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 28433, 56866, 85299, 113732, 142165, 170598, 227464, 255897, 284330, 341196, 426495, 454928, 511794, 568660, 682392, 852990, 909856, 1023588, 1137320, 1279485, 1364784, 1705980, 1819712, 2047176, 2274640, 2558970, 2729568, 3411960, 4094352, 4549280, 5117940, 5459136, 6823920, 8188704, 9098560, 10235880, 13647840, 16377408, 20471760, 27295680, 40943520, 81887040]

約数ペア:

[(1, 81887040), (2, 40943520), (3, 27295680), (4, 20471760), (5, 16377408), (6, 13647840), (8, 10235880), (9, 9098560), (10, 8188704), (12, 6823920), (15, 5459136), (16, 5117940), (18, 4549280), (20, 4094352), (24, 3411960), (30, 2729568), (32, 2558970), (36, 2274640), (40, 2047176), (45, 1819712), (48, 1705980), (60, 1364784), (64, 1279485), (72, 1137320), (80, 1023588), (90, 909856), (96, 852990), (120, 682392), (144, 568660), (160, 511794), (180, 454928), (192, 426495), (240, 341196), (288, 284330), (320, 255897), (360, 227464), (480, 170598), (576, 142165), (720, 113732), (960, 85299), (1440, 56866), (2880, 28433)]