289881180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{178939}}^1$

素因数の和:178960

約数の個数: 60

約数和(自身を含む): 909373080

約数和(自身を除く): 619491900

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, 178939, 357878, 536817, 715756, 894695, 1073634, 1610451, 1789390, 2147268, 2684085, 3220902, 3578780, 4831353, 5368170, 6441804, 8052255, 9662706, 10736340, 14494059, 16104510, 19325412, 24156765, 28988118, 32209020, 48313530, 57976236, 72470295, 96627060, 144940590, 289881180]

約数ペア:

[(1, 289881180), (2, 144940590), (3, 96627060), (4, 72470295), (5, 57976236), (6, 48313530), (9, 32209020), (10, 28988118), (12, 24156765), (15, 19325412), (18, 16104510), (20, 14494059), (27, 10736340), (30, 9662706), (36, 8052255), (45, 6441804), (54, 5368170), (60, 4831353), (81, 3578780), (90, 3220902), (108, 2684085), (135, 2147268), (162, 1789390), (180, 1610451), (270, 1073634), (324, 894695), (405, 715756), (540, 536817), (810, 357878), (1620, 178939)]