128920960

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{4111}}^1$

素因数の和:4144

約数の個数: 96

約数和(自身を含む): 358607520

約数和(自身を除く): 229686560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4111, 4480, 6272, 7840, 8222, 15680, 16444, 20555, 28777, 31360, 32888, 41110, 57554, 65776, 82220, 115108, 131552, 143885, 164440, 201439, 230216, 263104, 287770, 328880, 402878, 460432, 526208, 575540, 657760, 805756, 920864, 1007195, 1151080, 1315520, 1611512, 1841728, 2014390, 2302160, 2631040, 3223024, 3683456, 4028780, 4604320, 6446048, 8057560, 9208640, 12892096, 16115120, 18417280, 25784192, 32230240, 64460480, 128920960]

約数ペア:

[(1, 128920960), (2, 64460480), (4, 32230240), (5, 25784192), (7, 18417280), (8, 16115120), (10, 12892096), (14, 9208640), (16, 8057560), (20, 6446048), (28, 4604320), (32, 4028780), (35, 3683456), (40, 3223024), (49, 2631040), (56, 2302160), (64, 2014390), (70, 1841728), (80, 1611512), (98, 1315520), (112, 1151080), (128, 1007195), (140, 920864), (160, 805756), (196, 657760), (224, 575540), (245, 526208), (280, 460432), (320, 402878), (392, 328880), (448, 287770), (490, 263104), (560, 230216), (640, 201439), (784, 164440), (896, 143885), (980, 131552), (1120, 115108), (1568, 82220), (1960, 65776), (2240, 57554), (3136, 41110), (3920, 32888), (4111, 31360), (4480, 28777), (6272, 20555), (7840, 16444), (8222, 15680)]