1087240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 3058560

約数和(自身を除く): 1971320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 353, 385, 440, 616, 706, 770, 1412, 1540, 1765, 2471, 2824, 3080, 3530, 3883, 4942, 7060, 7766, 9884, 12355, 14120, 15532, 19415, 19768, 24710, 27181, 31064, 38830, 49420, 54362, 77660, 98840, 108724, 135905, 155320, 217448, 271810, 543620, 1087240]

約数ペア:

[(1, 1087240), (2, 543620), (4, 271810), (5, 217448), (7, 155320), (8, 135905), (10, 108724), (11, 98840), (14, 77660), (20, 54362), (22, 49420), (28, 38830), (35, 31064), (40, 27181), (44, 24710), (55, 19768), (56, 19415), (70, 15532), (77, 14120), (88, 12355), (110, 9884), (140, 7766), (154, 7060), (220, 4942), (280, 3883), (308, 3530), (353, 3080), (385, 2824), (440, 2471), (616, 1765), (706, 1540), (770, 1412)]