1890165720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{425713}}^1$

素因数の和:425764

約数の個数: 64

約数和(自身を含む): 5823767520

約数和(自身を除く): 3933601800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 425713, 851426, 1277139, 1702852, 2128565, 2554278, 3405704, 4257130, 5108556, 6385695, 8514260, 10217112, 12771390, 15751381, 17028520, 25542780, 31502762, 47254143, 51085560, 63005524, 78756905, 94508286, 126011048, 157513810, 189016572, 236270715, 315027620, 378033144, 472541430, 630055240, 945082860, 1890165720]

約数ペア:

[(1, 1890165720), (2, 945082860), (3, 630055240), (4, 472541430), (5, 378033144), (6, 315027620), (8, 236270715), (10, 189016572), (12, 157513810), (15, 126011048), (20, 94508286), (24, 78756905), (30, 63005524), (37, 51085560), (40, 47254143), (60, 31502762), (74, 25542780), (111, 17028520), (120, 15751381), (148, 12771390), (185, 10217112), (222, 8514260), (296, 6385695), (370, 5108556), (444, 4257130), (555, 3405704), (740, 2554278), (888, 2128565), (1110, 1702852), (1480, 1277139), (2220, 851426), (4440, 425713)]