81581310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5701}}^1$

素因数の和:5770

約数の個数: 64

約数和(自身を含む): 221693760

約数和(自身を除く): 140112450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 90, 106, 135, 159, 265, 270, 318, 477, 530, 795, 954, 1431, 1590, 2385, 2862, 4770, 5701, 7155, 11402, 14310, 17103, 28505, 34206, 51309, 57010, 85515, 102618, 153927, 171030, 256545, 302153, 307854, 513090, 604306, 769635, 906459, 1510765, 1539270, 1812918, 2719377, 3021530, 4532295, 5438754, 8158131, 9064590, 13596885, 16316262, 27193770, 40790655, 81581310]

約数ペア:

[(1, 81581310), (2, 40790655), (3, 27193770), (5, 16316262), (6, 13596885), (9, 9064590), (10, 8158131), (15, 5438754), (18, 4532295), (27, 3021530), (30, 2719377), (45, 1812918), (53, 1539270), (54, 1510765), (90, 906459), (106, 769635), (135, 604306), (159, 513090), (265, 307854), (270, 302153), (318, 256545), (477, 171030), (530, 153927), (795, 102618), (954, 85515), (1431, 57010), (1590, 51309), (2385, 34206), (2862, 28505), (4770, 17103), (5701, 14310), (7155, 11402)]