31760080

素因数分解:

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

素因数の和:245

約数の個数: 120

約数和(自身を含む): 86385096

約数和(自身を除く): 54625016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 170, 176, 187, 193, 220, 242, 272, 340, 374, 386, 440, 484, 605, 680, 748, 772, 880, 935, 965, 968, 1210, 1360, 1496, 1544, 1870, 1930, 1936, 2057, 2123, 2420, 2992, 3088, 3281, 3740, 3860, 4114, 4246, 4840, 6562, 7480, 7720, 8228, 8492, 9680, 10285, 10615, 13124, 14960, 15440, 16405, 16456, 16984, 20570, 21230, 23353, 26248, 32810, 32912, 33968, 36091, 41140, 42460, 46706, 52496, 65620, 72182, 82280, 84920, 93412, 116765, 131240, 144364, 164560, 169840, 180455, 186824, 233530, 262480, 288728, 360910, 373648, 397001, 467060, 577456, 721820, 794002, 934120, 1443640, 1588004, 1868240, 1985005, 2887280, 3176008, 3970010, 6352016, 7940020, 15880040, 31760080]

約数ペア:

[(1, 31760080), (2, 15880040), (4, 7940020), (5, 6352016), (8, 3970010), (10, 3176008), (11, 2887280), (16, 1985005), (17, 1868240), (20, 1588004), (22, 1443640), (34, 934120), (40, 794002), (44, 721820), (55, 577456), (68, 467060), (80, 397001), (85, 373648), (88, 360910), (110, 288728), (121, 262480), (136, 233530), (170, 186824), (176, 180455), (187, 169840), (193, 164560), (220, 144364), (242, 131240), (272, 116765), (340, 93412), (374, 84920), (386, 82280), (440, 72182), (484, 65620), (605, 52496), (680, 46706), (748, 42460), (772, 41140), (880, 36091), (935, 33968), (965, 32912), (968, 32810), (1210, 26248), (1360, 23353), (1496, 21230), (1544, 20570), (1870, 16984), (1930, 16456), (1936, 16405), (2057, 15440), (2123, 14960), (2420, 13124), (2992, 10615), (3088, 10285), (3281, 9680), (3740, 8492), (3860, 8228), (4114, 7720), (4246, 7480), (4840, 6562)]