320438784

素因数分解:

$2^9\times 3^1\times {\mathrm{229}}^1\times {\mathrm{911}}^1$

素因数の和:1161

約数の個数: 80

約数和(自身を含む): 858337920

約数和(自身を除く): 537899136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 229, 256, 384, 458, 512, 687, 768, 911, 916, 1374, 1536, 1822, 1832, 2733, 2748, 3644, 3664, 5466, 5496, 7288, 7328, 10932, 10992, 14576, 14656, 21864, 21984, 29152, 29312, 43728, 43968, 58304, 58624, 87456, 87936, 116608, 117248, 174912, 175872, 208619, 233216, 349824, 351744, 417238, 466432, 625857, 699648, 834476, 1251714, 1399296, 1668952, 2503428, 3337904, 5006856, 6675808, 10013712, 13351616, 20027424, 26703232, 40054848, 53406464, 80109696, 106812928, 160219392, 320438784]

約数ペア:

[(1, 320438784), (2, 160219392), (3, 106812928), (4, 80109696), (6, 53406464), (8, 40054848), (12, 26703232), (16, 20027424), (24, 13351616), (32, 10013712), (48, 6675808), (64, 5006856), (96, 3337904), (128, 2503428), (192, 1668952), (229, 1399296), (256, 1251714), (384, 834476), (458, 699648), (512, 625857), (687, 466432), (768, 417238), (911, 351744), (916, 349824), (1374, 233216), (1536, 208619), (1822, 175872), (1832, 174912), (2733, 117248), (2748, 116608), (3644, 87936), (3664, 87456), (5466, 58624), (5496, 58304), (7288, 43968), (7328, 43728), (10932, 29312), (10992, 29152), (14576, 21984), (14656, 21864)]