131193420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128621}}^1$

素因数の和:128650

約数の個数: 48

約数和(自身を含む): 388952928

約数和(自身を除く): 257759508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 128621, 257242, 385863, 514484, 643105, 771726, 1286210, 1543452, 1929315, 2186557, 2572420, 3858630, 4373114, 6559671, 7717260, 8746228, 10932785, 13119342, 21865570, 26238684, 32798355, 43731140, 65596710, 131193420]

約数ペア:

[(1, 131193420), (2, 65596710), (3, 43731140), (4, 32798355), (5, 26238684), (6, 21865570), (10, 13119342), (12, 10932785), (15, 8746228), (17, 7717260), (20, 6559671), (30, 4373114), (34, 3858630), (51, 2572420), (60, 2186557), (68, 1929315), (85, 1543452), (102, 1286210), (170, 771726), (204, 643105), (255, 514484), (340, 385863), (510, 257242), (1020, 128621)]