133648640

素因数分解:

$2^8\times 5^1\times {\mathrm{193}}^1\times {\mathrm{541}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 322383768

約数和(自身を除く): 188735128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 193, 256, 320, 386, 541, 640, 772, 965, 1082, 1280, 1544, 1930, 2164, 2705, 3088, 3860, 4328, 5410, 6176, 7720, 8656, 10820, 12352, 15440, 17312, 21640, 24704, 30880, 34624, 43280, 49408, 61760, 69248, 86560, 104413, 123520, 138496, 173120, 208826, 247040, 346240, 417652, 522065, 692480, 835304, 1044130, 1670608, 2088260, 3341216, 4176520, 6682432, 8353040, 13364864, 16706080, 26729728, 33412160, 66824320, 133648640]

約数ペア:

[(1, 133648640), (2, 66824320), (4, 33412160), (5, 26729728), (8, 16706080), (10, 13364864), (16, 8353040), (20, 6682432), (32, 4176520), (40, 3341216), (64, 2088260), (80, 1670608), (128, 1044130), (160, 835304), (193, 692480), (256, 522065), (320, 417652), (386, 346240), (541, 247040), (640, 208826), (772, 173120), (965, 138496), (1082, 123520), (1280, 104413), (1544, 86560), (1930, 69248), (2164, 61760), (2705, 49408), (3088, 43280), (3860, 34624), (4328, 30880), (5410, 24704), (6176, 21640), (7720, 17312), (8656, 15440), (10820, 12352)]