15880040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 41799240

約数和(自身を除く): 25919200

約数列:

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

約数ペア:

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