640871424

素因数分解:

$2^{10}\times 3^2\times {\mathrm{69539}}^1$

素因数の和:69565

約数の個数: 66

約数和(自身を含む): 1850528940

約数和(自身を除く): 1209657516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1536, 2304, 3072, 4608, 9216, 69539, 139078, 208617, 278156, 417234, 556312, 625851, 834468, 1112624, 1251702, 1668936, 2225248, 2503404, 3337872, 4450496, 5006808, 6675744, 8900992, 10013616, 13351488, 17801984, 20027232, 26702976, 35603968, 40054464, 53405952, 71207936, 80108928, 106811904, 160217856, 213623808, 320435712, 640871424]

約数ペア:

[(1, 640871424), (2, 320435712), (3, 213623808), (4, 160217856), (6, 106811904), (8, 80108928), (9, 71207936), (12, 53405952), (16, 40054464), (18, 35603968), (24, 26702976), (32, 20027232), (36, 17801984), (48, 13351488), (64, 10013616), (72, 8900992), (96, 6675744), (128, 5006808), (144, 4450496), (192, 3337872), (256, 2503404), (288, 2225248), (384, 1668936), (512, 1251702), (576, 1112624), (768, 834468), (1024, 625851), (1152, 556312), (1536, 417234), (2304, 278156), (3072, 208617), (4608, 139078), (9216, 69539)]