1261620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 3939936

約数和(自身を除く): 2678316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 163, 172, 180, 215, 258, 326, 387, 430, 489, 516, 645, 652, 774, 815, 860, 978, 1290, 1467, 1548, 1630, 1935, 1956, 2445, 2580, 2934, 3260, 3870, 4890, 5868, 7009, 7335, 7740, 9780, 14018, 14670, 21027, 28036, 29340, 35045, 42054, 63081, 70090, 84108, 105135, 126162, 140180, 210270, 252324, 315405, 420540, 630810, 1261620]

約数ペア:

[(1, 1261620), (2, 630810), (3, 420540), (4, 315405), (5, 252324), (6, 210270), (9, 140180), (10, 126162), (12, 105135), (15, 84108), (18, 70090), (20, 63081), (30, 42054), (36, 35045), (43, 29340), (45, 28036), (60, 21027), (86, 14670), (90, 14018), (129, 9780), (163, 7740), (172, 7335), (180, 7009), (215, 5868), (258, 4890), (326, 3870), (387, 3260), (430, 2934), (489, 2580), (516, 2445), (645, 1956), (652, 1935), (774, 1630), (815, 1548), (860, 1467), (978, 1290)]