217649040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{129553}}^1$

素因数の和:129576

約数の個数: 80

約数和(自身を含む): 771105408

約数和(自身を除く): 553456368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 129553, 259106, 388659, 518212, 647765, 777318, 906871, 1036424, 1295530, 1554636, 1813742, 1943295, 2072848, 2591060, 2720613, 3109272, 3627484, 3886590, 4534355, 5182120, 5441226, 6218544, 7254968, 7773180, 9068710, 10364240, 10882452, 13603065, 14509936, 15546360, 18137420, 21764904, 27206130, 31092720, 36274840, 43529808, 54412260, 72549680, 108824520, 217649040]

約数ペア:

[(1, 217649040), (2, 108824520), (3, 72549680), (4, 54412260), (5, 43529808), (6, 36274840), (7, 31092720), (8, 27206130), (10, 21764904), (12, 18137420), (14, 15546360), (15, 14509936), (16, 13603065), (20, 10882452), (21, 10364240), (24, 9068710), (28, 7773180), (30, 7254968), (35, 6218544), (40, 5441226), (42, 5182120), (48, 4534355), (56, 3886590), (60, 3627484), (70, 3109272), (80, 2720613), (84, 2591060), (105, 2072848), (112, 1943295), (120, 1813742), (140, 1554636), (168, 1295530), (210, 1036424), (240, 906871), (280, 777318), (336, 647765), (420, 518212), (560, 388659), (840, 259106), (1680, 129553)]