1443640

素因数分解:

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

素因数の和:232

約数の個数: 64

約数和(自身を含む): 3771360

約数和(自身を除く): 2327720

約数列:

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

約数ペア:

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