135981640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 325503360

約数和(自身を除く): 189521720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 311, 340, 622, 643, 680, 1244, 1286, 1555, 2488, 2572, 3110, 3215, 5144, 5287, 6220, 6430, 10574, 10931, 12440, 12860, 21148, 21862, 25720, 26435, 42296, 43724, 52870, 54655, 87448, 105740, 109310, 199973, 211480, 218620, 399946, 437240, 799892, 999865, 1599784, 1999730, 3399541, 3999460, 6799082, 7998920, 13598164, 16997705, 27196328, 33995410, 67990820, 135981640]

約数ペア:

[(1, 135981640), (2, 67990820), (4, 33995410), (5, 27196328), (8, 16997705), (10, 13598164), (17, 7998920), (20, 6799082), (34, 3999460), (40, 3399541), (68, 1999730), (85, 1599784), (136, 999865), (170, 799892), (311, 437240), (340, 399946), (622, 218620), (643, 211480), (680, 199973), (1244, 109310), (1286, 105740), (1555, 87448), (2488, 54655), (2572, 52870), (3110, 43724), (3215, 42296), (5144, 26435), (5287, 25720), (6220, 21862), (6430, 21148), (10574, 12860), (10931, 12440)]