71942440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 167333760

約数和(自身を除く): 95391320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 151, 172, 215, 277, 302, 344, 430, 554, 604, 755, 860, 1108, 1208, 1385, 1510, 1720, 2216, 2770, 3020, 5540, 6040, 6493, 11080, 11911, 12986, 23822, 25972, 32465, 41827, 47644, 51944, 59555, 64930, 83654, 95288, 119110, 129860, 167308, 209135, 238220, 259720, 334616, 418270, 476440, 836540, 1673080, 1798561, 3597122, 7194244, 8992805, 14388488, 17985610, 35971220, 71942440]

約数ペア:

[(1, 71942440), (2, 35971220), (4, 17985610), (5, 14388488), (8, 8992805), (10, 7194244), (20, 3597122), (40, 1798561), (43, 1673080), (86, 836540), (151, 476440), (172, 418270), (215, 334616), (277, 259720), (302, 238220), (344, 209135), (430, 167308), (554, 129860), (604, 119110), (755, 95288), (860, 83654), (1108, 64930), (1208, 59555), (1385, 51944), (1510, 47644), (1720, 41827), (2216, 32465), (2770, 25972), (3020, 23822), (5540, 12986), (6040, 11911), (6493, 11080)]