2887280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 7794144

約数和(自身を除く): 4906864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 193, 220, 272, 340, 374, 386, 440, 680, 748, 772, 880, 935, 965, 1360, 1496, 1544, 1870, 1930, 2123, 2992, 3088, 3281, 3740, 3860, 4246, 6562, 7480, 7720, 8492, 10615, 13124, 14960, 15440, 16405, 16984, 21230, 26248, 32810, 33968, 36091, 42460, 52496, 65620, 72182, 84920, 131240, 144364, 169840, 180455, 262480, 288728, 360910, 577456, 721820, 1443640, 2887280]

約数ペア:

[(1, 2887280), (2, 1443640), (4, 721820), (5, 577456), (8, 360910), (10, 288728), (11, 262480), (16, 180455), (17, 169840), (20, 144364), (22, 131240), (34, 84920), (40, 72182), (44, 65620), (55, 52496), (68, 42460), (80, 36091), (85, 33968), (88, 32810), (110, 26248), (136, 21230), (170, 16984), (176, 16405), (187, 15440), (193, 14960), (220, 13124), (272, 10615), (340, 8492), (374, 7720), (386, 7480), (440, 6562), (680, 4246), (748, 3860), (772, 3740), (880, 3281), (935, 3088), (965, 2992), (1360, 2123), (1496, 1930), (1544, 1870)]