831565360

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{2029}}^1$

素因数の和:2198

約数の個数: 80

約数和(自身を含む): 1993622400

約数和(自身を除く): 1162057040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 109, 188, 218, 235, 376, 436, 470, 545, 752, 872, 940, 1090, 1744, 1880, 2029, 2180, 3760, 4058, 4360, 5123, 8116, 8720, 10145, 10246, 16232, 20290, 20492, 25615, 32464, 40580, 40984, 51230, 81160, 81968, 95363, 102460, 162320, 190726, 204920, 221161, 381452, 409840, 442322, 476815, 762904, 884644, 953630, 1105805, 1525808, 1769288, 1907260, 2211610, 3538576, 3814520, 4423220, 7629040, 8846440, 10394567, 17692880, 20789134, 41578268, 51972835, 83156536, 103945670, 166313072, 207891340, 415782680, 831565360]

約数ペア:

[(1, 831565360), (2, 415782680), (4, 207891340), (5, 166313072), (8, 103945670), (10, 83156536), (16, 51972835), (20, 41578268), (40, 20789134), (47, 17692880), (80, 10394567), (94, 8846440), (109, 7629040), (188, 4423220), (218, 3814520), (235, 3538576), (376, 2211610), (436, 1907260), (470, 1769288), (545, 1525808), (752, 1105805), (872, 953630), (940, 884644), (1090, 762904), (1744, 476815), (1880, 442322), (2029, 409840), (2180, 381452), (3760, 221161), (4058, 204920), (4360, 190726), (5123, 162320), (8116, 102460), (8720, 95363), (10145, 81968), (10246, 81160), (16232, 51230), (20290, 40984), (20492, 40580), (25615, 32464)]