245154560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{27361}}^1$

素因数の和:27389

約数の個数: 72

約数和(自身を含む): 671135136

約数和(自身を除く): 425980576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 27361, 54722, 109444, 136805, 191527, 218888, 273610, 383054, 437776, 547220, 766108, 875552, 957635, 1094440, 1532216, 1751104, 1915270, 2188880, 3064432, 3502208, 3830540, 4377760, 6128864, 7004416, 7661080, 8755520, 12257728, 15322160, 17511040, 24515456, 30644320, 35022080, 49030912, 61288640, 122577280, 245154560]

約数ペア:

[(1, 245154560), (2, 122577280), (4, 61288640), (5, 49030912), (7, 35022080), (8, 30644320), (10, 24515456), (14, 17511040), (16, 15322160), (20, 12257728), (28, 8755520), (32, 7661080), (35, 7004416), (40, 6128864), (56, 4377760), (64, 3830540), (70, 3502208), (80, 3064432), (112, 2188880), (128, 1915270), (140, 1751104), (160, 1532216), (224, 1094440), (256, 957635), (280, 875552), (320, 766108), (448, 547220), (560, 437776), (640, 383054), (896, 273610), (1120, 218888), (1280, 191527), (1792, 136805), (2240, 109444), (4480, 54722), (8960, 27361)]