17721180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{10939}}^1$

素因数の和:10960

約数の個数: 60

約数和(自身を含む): 55597080

約数和(自身を除く): 37875900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 10939, 21878, 32817, 43756, 54695, 65634, 98451, 109390, 131268, 164085, 196902, 218780, 295353, 328170, 393804, 492255, 590706, 656340, 886059, 984510, 1181412, 1476765, 1772118, 1969020, 2953530, 3544236, 4430295, 5907060, 8860590, 17721180]

約数ペア:

[(1, 17721180), (2, 8860590), (3, 5907060), (4, 4430295), (5, 3544236), (6, 2953530), (9, 1969020), (10, 1772118), (12, 1476765), (15, 1181412), (18, 984510), (20, 886059), (27, 656340), (30, 590706), (36, 492255), (45, 393804), (54, 328170), (60, 295353), (81, 218780), (90, 196902), (108, 164085), (135, 131268), (162, 109390), (180, 98451), (270, 65634), (324, 54695), (405, 43756), (540, 32817), (810, 21878), (1620, 10939)]