71328800

素因数分解:

$2^5\times 5^2\times {\mathrm{163}}^1\times {\mathrm{547}}^1$

素因数の和:730

約数の個数: 72

約数和(自身を含む): 175520016

約数和(自身を除く): 104191216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 163, 200, 326, 400, 547, 652, 800, 815, 1094, 1304, 1630, 2188, 2608, 2735, 3260, 4075, 4376, 5216, 5470, 6520, 8150, 8752, 10940, 13040, 13675, 16300, 17504, 21880, 26080, 27350, 32600, 43760, 54700, 65200, 87520, 89161, 109400, 130400, 178322, 218800, 356644, 437600, 445805, 713288, 891610, 1426576, 1783220, 2229025, 2853152, 3566440, 4458050, 7132880, 8916100, 14265760, 17832200, 35664400, 71328800]

約数ペア:

[(1, 71328800), (2, 35664400), (4, 17832200), (5, 14265760), (8, 8916100), (10, 7132880), (16, 4458050), (20, 3566440), (25, 2853152), (32, 2229025), (40, 1783220), (50, 1426576), (80, 891610), (100, 713288), (160, 445805), (163, 437600), (200, 356644), (326, 218800), (400, 178322), (547, 130400), (652, 109400), (800, 89161), (815, 87520), (1094, 65200), (1304, 54700), (1630, 43760), (2188, 32600), (2608, 27350), (2735, 26080), (3260, 21880), (4075, 17504), (4376, 16300), (5216, 13675), (5470, 13040), (6520, 10940), (8150, 8752)]