27779920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 74638080

約数和(自身を除く): 46858160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 439, 452, 560, 565, 791, 878, 904, 1130, 1582, 1756, 1808, 2195, 2260, 3073, 3164, 3512, 3955, 4390, 4520, 6146, 6328, 7024, 7910, 8780, 9040, 12292, 12656, 15365, 15820, 17560, 24584, 30730, 31640, 35120, 49168, 49607, 61460, 63280, 99214, 122920, 198428, 245840, 248035, 347249, 396856, 496070, 694498, 793712, 992140, 1388996, 1736245, 1984280, 2777992, 3472490, 3968560, 5555984, 6944980, 13889960, 27779920]

約数ペア:

[(1, 27779920), (2, 13889960), (4, 6944980), (5, 5555984), (7, 3968560), (8, 3472490), (10, 2777992), (14, 1984280), (16, 1736245), (20, 1388996), (28, 992140), (35, 793712), (40, 694498), (56, 496070), (70, 396856), (80, 347249), (112, 248035), (113, 245840), (140, 198428), (226, 122920), (280, 99214), (439, 63280), (452, 61460), (560, 49607), (565, 49168), (791, 35120), (878, 31640), (904, 30730), (1130, 24584), (1582, 17560), (1756, 15820), (1808, 15365), (2195, 12656), (2260, 12292), (3073, 9040), (3164, 8780), (3512, 7910), (3955, 7024), (4390, 6328), (4520, 6146)]