1231520

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 2993760

約数和(自身を除く): 1762240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 179, 215, 344, 358, 430, 688, 716, 860, 895, 1376, 1432, 1720, 1790, 2864, 3440, 3580, 5728, 6880, 7160, 7697, 14320, 15394, 28640, 30788, 38485, 61576, 76970, 123152, 153940, 246304, 307880, 615760, 1231520]

約数ペア:

[(1, 1231520), (2, 615760), (4, 307880), (5, 246304), (8, 153940), (10, 123152), (16, 76970), (20, 61576), (32, 38485), (40, 30788), (43, 28640), (80, 15394), (86, 14320), (160, 7697), (172, 7160), (179, 6880), (215, 5728), (344, 3580), (358, 3440), (430, 2864), (688, 1790), (716, 1720), (860, 1432), (895, 1376)]