122448640

素因数分解:

$2^8\times 5^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 295219008

約数和(自身を除く): 172770368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 271, 320, 353, 542, 640, 706, 1084, 1280, 1355, 1412, 1765, 2168, 2710, 2824, 3530, 4336, 5420, 5648, 7060, 8672, 10840, 11296, 14120, 17344, 21680, 22592, 28240, 34688, 43360, 45184, 56480, 69376, 86720, 90368, 95663, 112960, 173440, 191326, 225920, 346880, 382652, 451840, 478315, 765304, 956630, 1530608, 1913260, 3061216, 3826520, 6122432, 7653040, 12244864, 15306080, 24489728, 30612160, 61224320, 122448640]

約数ペア:

[(1, 122448640), (2, 61224320), (4, 30612160), (5, 24489728), (8, 15306080), (10, 12244864), (16, 7653040), (20, 6122432), (32, 3826520), (40, 3061216), (64, 1913260), (80, 1530608), (128, 956630), (160, 765304), (256, 478315), (271, 451840), (320, 382652), (353, 346880), (542, 225920), (640, 191326), (706, 173440), (1084, 112960), (1280, 95663), (1355, 90368), (1412, 86720), (1765, 69376), (2168, 56480), (2710, 45184), (2824, 43360), (3530, 34688), (4336, 28240), (5420, 22592), (5648, 21680), (7060, 17344), (8672, 14120), (10840, 11296)]