8127180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 24893232

約数和(自身を除く): 16766052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 277, 326, 489, 554, 652, 815, 831, 978, 1108, 1385, 1467, 1630, 1662, 1956, 2445, 2493, 2770, 2934, 3260, 3324, 4155, 4890, 4986, 5540, 5868, 7335, 8310, 9780, 9972, 12465, 14670, 16620, 24930, 29340, 45151, 49860, 90302, 135453, 180604, 225755, 270906, 406359, 451510, 541812, 677265, 812718, 903020, 1354530, 1625436, 2031795, 2709060, 4063590, 8127180]

約数ペア:

[(1, 8127180), (2, 4063590), (3, 2709060), (4, 2031795), (5, 1625436), (6, 1354530), (9, 903020), (10, 812718), (12, 677265), (15, 541812), (18, 451510), (20, 406359), (30, 270906), (36, 225755), (45, 180604), (60, 135453), (90, 90302), (163, 49860), (180, 45151), (277, 29340), (326, 24930), (489, 16620), (554, 14670), (652, 12465), (815, 9972), (831, 9780), (978, 8310), (1108, 7335), (1385, 5868), (1467, 5540), (1630, 4986), (1662, 4890), (1956, 4155), (2445, 3324), (2493, 3260), (2770, 2934)]