84183440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 214914816

約数和(自身を除く): 130731376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 271, 353, 440, 542, 706, 880, 1084, 1355, 1412, 1765, 2168, 2710, 2824, 2981, 3530, 3883, 4336, 5420, 5648, 5962, 7060, 7766, 10840, 11924, 14120, 14905, 15532, 19415, 21680, 23848, 28240, 29810, 31064, 38830, 47696, 59620, 62128, 77660, 95663, 119240, 155320, 191326, 238480, 310640, 382652, 478315, 765304, 956630, 1052293, 1530608, 1913260, 2104586, 3826520, 4209172, 5261465, 7653040, 8418344, 10522930, 16836688, 21045860, 42091720, 84183440]

約数ペア:

[(1, 84183440), (2, 42091720), (4, 21045860), (5, 16836688), (8, 10522930), (10, 8418344), (11, 7653040), (16, 5261465), (20, 4209172), (22, 3826520), (40, 2104586), (44, 1913260), (55, 1530608), (80, 1052293), (88, 956630), (110, 765304), (176, 478315), (220, 382652), (271, 310640), (353, 238480), (440, 191326), (542, 155320), (706, 119240), (880, 95663), (1084, 77660), (1355, 62128), (1412, 59620), (1765, 47696), (2168, 38830), (2710, 31064), (2824, 29810), (2981, 28240), (3530, 23848), (3883, 21680), (4336, 19415), (5420, 15532), (5648, 14905), (5962, 14120), (7060, 11924), (7766, 10840)]