80767760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 196219584

約数和(自身を除く): 115451824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 53, 80, 86, 106, 172, 212, 215, 265, 344, 424, 430, 443, 530, 688, 848, 860, 886, 1060, 1720, 1772, 2120, 2215, 2279, 3440, 3544, 4240, 4430, 4558, 7088, 8860, 9116, 11395, 17720, 18232, 19049, 22790, 23479, 35440, 36464, 38098, 45580, 46958, 76196, 91160, 93916, 95245, 117395, 152392, 182320, 187832, 190490, 234790, 304784, 375664, 380980, 469580, 761960, 939160, 1009597, 1523920, 1878320, 2019194, 4038388, 5047985, 8076776, 10095970, 16153552, 20191940, 40383880, 80767760]

約数ペア:

[(1, 80767760), (2, 40383880), (4, 20191940), (5, 16153552), (8, 10095970), (10, 8076776), (16, 5047985), (20, 4038388), (40, 2019194), (43, 1878320), (53, 1523920), (80, 1009597), (86, 939160), (106, 761960), (172, 469580), (212, 380980), (215, 375664), (265, 304784), (344, 234790), (424, 190490), (430, 187832), (443, 182320), (530, 152392), (688, 117395), (848, 95245), (860, 93916), (886, 91160), (1060, 76196), (1720, 46958), (1772, 45580), (2120, 38098), (2215, 36464), (2279, 35440), (3440, 23479), (3544, 22790), (4240, 19049), (4430, 18232), (4558, 17720), (7088, 11395), (8860, 9116)]