287680960

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{2621}}^1$

素因数の和:2659

約数の個数: 112

約数和(自身を含む): 799185600

約数和(自身を除く): 511504640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1960, 2240, 2621, 2744, 3136, 3430, 3920, 5242, 5488, 6860, 7840, 10484, 10976, 13105, 13720, 15680, 18347, 20968, 21952, 26210, 27440, 36694, 41936, 52420, 54880, 73388, 83872, 91735, 104840, 109760, 128429, 146776, 167744, 183470, 209680, 256858, 293552, 366940, 419360, 513716, 587104, 642145, 733880, 838720, 899003, 1027432, 1174208, 1284290, 1467760, 1798006, 2054864, 2568580, 2935520, 3596012, 4109728, 4495015, 5137160, 5871040, 7192024, 8219456, 8990030, 10274320, 14384048, 17980060, 20548640, 28768096, 35960120, 41097280, 57536192, 71920240, 143840480, 287680960]

約数ペア:

[(1, 287680960), (2, 143840480), (4, 71920240), (5, 57536192), (7, 41097280), (8, 35960120), (10, 28768096), (14, 20548640), (16, 17980060), (20, 14384048), (28, 10274320), (32, 8990030), (35, 8219456), (40, 7192024), (49, 5871040), (56, 5137160), (64, 4495015), (70, 4109728), (80, 3596012), (98, 2935520), (112, 2568580), (140, 2054864), (160, 1798006), (196, 1467760), (224, 1284290), (245, 1174208), (280, 1027432), (320, 899003), (343, 838720), (392, 733880), (448, 642145), (490, 587104), (560, 513716), (686, 419360), (784, 366940), (980, 293552), (1120, 256858), (1372, 209680), (1568, 183470), (1715, 167744), (1960, 146776), (2240, 128429), (2621, 109760), (2744, 104840), (3136, 91735), (3430, 83872), (3920, 73388), (5242, 54880), (5488, 52420), (6860, 41936), (7840, 36694), (10484, 27440), (10976, 26210), (13105, 21952), (13720, 20968), (15680, 18347)]