1022120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 2643840

約数和(自身を除く): 1621720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 101, 110, 115, 184, 202, 220, 230, 253, 404, 440, 460, 505, 506, 808, 920, 1010, 1012, 1111, 1265, 2020, 2024, 2222, 2323, 2530, 4040, 4444, 4646, 5060, 5555, 8888, 9292, 10120, 11110, 11615, 18584, 22220, 23230, 25553, 44440, 46460, 51106, 92920, 102212, 127765, 204424, 255530, 511060, 1022120]

約数ペア:

[(1, 1022120), (2, 511060), (4, 255530), (5, 204424), (8, 127765), (10, 102212), (11, 92920), (20, 51106), (22, 46460), (23, 44440), (40, 25553), (44, 23230), (46, 22220), (55, 18584), (88, 11615), (92, 11110), (101, 10120), (110, 9292), (115, 8888), (184, 5555), (202, 5060), (220, 4646), (230, 4444), (253, 4040), (404, 2530), (440, 2323), (460, 2222), (505, 2024), (506, 2020), (808, 1265), (920, 1111), (1010, 1012)]