27800360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2309}}^1$

素因数の和:2370

約数の個数: 64

約数和(自身を含む): 73180800

約数和(自身を除く): 45380440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2309, 2408, 3010, 4618, 6020, 9236, 11545, 12040, 16163, 18472, 23090, 32326, 46180, 64652, 80815, 92360, 99287, 129304, 161630, 198574, 323260, 397148, 496435, 646520, 695009, 794296, 992870, 1390018, 1985740, 2780036, 3475045, 3971480, 5560072, 6950090, 13900180, 27800360]

約数ペア:

[(1, 27800360), (2, 13900180), (4, 6950090), (5, 5560072), (7, 3971480), (8, 3475045), (10, 2780036), (14, 1985740), (20, 1390018), (28, 992870), (35, 794296), (40, 695009), (43, 646520), (56, 496435), (70, 397148), (86, 323260), (140, 198574), (172, 161630), (215, 129304), (280, 99287), (301, 92360), (344, 80815), (430, 64652), (602, 46180), (860, 32326), (1204, 23090), (1505, 18472), (1720, 16163), (2309, 12040), (2408, 11545), (3010, 9236), (4618, 6020)]