27530320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 67174272

約数和(自身を除く): 39643952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 53, 80, 86, 106, 151, 172, 212, 215, 265, 302, 344, 424, 430, 530, 604, 688, 755, 848, 860, 1060, 1208, 1510, 1720, 2120, 2279, 2416, 3020, 3440, 4240, 4558, 6040, 6493, 8003, 9116, 11395, 12080, 12986, 16006, 18232, 22790, 25972, 32012, 32465, 36464, 40015, 45580, 51944, 64024, 64930, 80030, 91160, 103888, 128048, 129860, 160060, 182320, 259720, 320120, 344129, 519440, 640240, 688258, 1376516, 1720645, 2753032, 3441290, 5506064, 6882580, 13765160, 27530320]

約数ペア:

[(1, 27530320), (2, 13765160), (4, 6882580), (5, 5506064), (8, 3441290), (10, 2753032), (16, 1720645), (20, 1376516), (40, 688258), (43, 640240), (53, 519440), (80, 344129), (86, 320120), (106, 259720), (151, 182320), (172, 160060), (212, 129860), (215, 128048), (265, 103888), (302, 91160), (344, 80030), (424, 64930), (430, 64024), (530, 51944), (604, 45580), (688, 40015), (755, 36464), (848, 32465), (860, 32012), (1060, 25972), (1208, 22790), (1510, 18232), (1720, 16006), (2120, 12986), (2279, 12080), (2416, 11395), (3020, 9116), (3440, 8003), (4240, 6493), (4558, 6040)]