715667920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{18913}}^1$

素因数の和:18980

約数の個数: 80

約数和(自身を含む): 1857506112

約数和(自身を除く): 1141838192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3440, 3784, 4730, 7568, 9460, 18913, 18920, 37826, 37840, 75652, 94565, 151304, 189130, 208043, 302608, 378260, 416086, 756520, 813259, 832172, 1040215, 1513040, 1626518, 1664344, 2080430, 3253036, 3328688, 4066295, 4160860, 6506072, 8132590, 8321720, 8945849, 13012144, 16265180, 16643440, 17891698, 32530360, 35783396, 44729245, 65060720, 71566792, 89458490, 143133584, 178916980, 357833960, 715667920]

約数ペア:

[(1, 715667920), (2, 357833960), (4, 178916980), (5, 143133584), (8, 89458490), (10, 71566792), (11, 65060720), (16, 44729245), (20, 35783396), (22, 32530360), (40, 17891698), (43, 16643440), (44, 16265180), (55, 13012144), (80, 8945849), (86, 8321720), (88, 8132590), (110, 6506072), (172, 4160860), (176, 4066295), (215, 3328688), (220, 3253036), (344, 2080430), (430, 1664344), (440, 1626518), (473, 1513040), (688, 1040215), (860, 832172), (880, 813259), (946, 756520), (1720, 416086), (1892, 378260), (2365, 302608), (3440, 208043), (3784, 189130), (4730, 151304), (7568, 94565), (9460, 75652), (18913, 37840), (18920, 37826)]