28682720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:448

約数の個数: 96

約数和(自身を含む): 75841920

約数和(自身を除く): 47159200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 110, 160, 172, 176, 215, 220, 344, 352, 379, 430, 440, 473, 688, 758, 860, 880, 946, 1376, 1516, 1720, 1760, 1892, 1895, 2365, 3032, 3440, 3784, 3790, 4169, 4730, 6064, 6880, 7568, 7580, 8338, 9460, 12128, 15136, 15160, 16297, 16676, 18920, 20845, 30320, 32594, 33352, 37840, 41690, 60640, 65188, 66704, 75680, 81485, 83380, 130376, 133408, 162970, 166760, 179267, 260752, 325940, 333520, 358534, 521504, 651880, 667040, 717068, 896335, 1303760, 1434136, 1792670, 2607520, 2868272, 3585340, 5736544, 7170680, 14341360, 28682720]

約数ペア:

[(1, 28682720), (2, 14341360), (4, 7170680), (5, 5736544), (8, 3585340), (10, 2868272), (11, 2607520), (16, 1792670), (20, 1434136), (22, 1303760), (32, 896335), (40, 717068), (43, 667040), (44, 651880), (55, 521504), (80, 358534), (86, 333520), (88, 325940), (110, 260752), (160, 179267), (172, 166760), (176, 162970), (215, 133408), (220, 130376), (344, 83380), (352, 81485), (379, 75680), (430, 66704), (440, 65188), (473, 60640), (688, 41690), (758, 37840), (860, 33352), (880, 32594), (946, 30320), (1376, 20845), (1516, 18920), (1720, 16676), (1760, 16297), (1892, 15160), (1895, 15136), (2365, 12128), (3032, 9460), (3440, 8338), (3784, 7580), (3790, 7568), (4169, 6880), (4730, 6064)]