1781567480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{82633}}^1$

素因数の和:82669

約数の個数: 96

約数和(自身を含む): 5086949040

約数和(自身を除く): 3305381560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 4312, 5390, 10780, 21560, 82633, 165266, 330532, 413165, 578431, 661064, 826330, 908963, 1156862, 1652660, 1817926, 2313724, 2892155, 3305320, 3635852, 4049017, 4544815, 4627448, 5784310, 6362741, 7271704, 8098034, 9089630, 11568620, 12725482, 16196068, 18179260, 20245085, 23137240, 25450964, 31813705, 32392136, 36358520, 40490170, 44539187, 50901928, 63627410, 80980340, 89078374, 127254820, 161960680, 178156748, 222695935, 254509640, 356313496, 445391870, 890783740, 1781567480]

約数ペア:

[(1, 1781567480), (2, 890783740), (4, 445391870), (5, 356313496), (7, 254509640), (8, 222695935), (10, 178156748), (11, 161960680), (14, 127254820), (20, 89078374), (22, 80980340), (28, 63627410), (35, 50901928), (40, 44539187), (44, 40490170), (49, 36358520), (55, 32392136), (56, 31813705), (70, 25450964), (77, 23137240), (88, 20245085), (98, 18179260), (110, 16196068), (140, 12725482), (154, 11568620), (196, 9089630), (220, 8098034), (245, 7271704), (280, 6362741), (308, 5784310), (385, 4627448), (392, 4544815), (440, 4049017), (490, 3635852), (539, 3305320), (616, 2892155), (770, 2313724), (980, 1817926), (1078, 1652660), (1540, 1156862), (1960, 908963), (2156, 826330), (2695, 661064), (3080, 578431), (4312, 413165), (5390, 330532), (10780, 165266), (21560, 82633)]