28267380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17449}}^1$

素因数の和:17470

約数の個数: 60

約数和(自身を含む): 88680900

約数和(自身を除く): 60413520

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, 17449, 34898, 52347, 69796, 87245, 104694, 157041, 174490, 209388, 261735, 314082, 348980, 471123, 523470, 628164, 785205, 942246, 1046940, 1413369, 1570410, 1884492, 2355615, 2826738, 3140820, 4711230, 5653476, 7066845, 9422460, 14133690, 28267380]

約数ペア:

[(1, 28267380), (2, 14133690), (3, 9422460), (4, 7066845), (5, 5653476), (6, 4711230), (9, 3140820), (10, 2826738), (12, 2355615), (15, 1884492), (18, 1570410), (20, 1413369), (27, 1046940), (30, 942246), (36, 785205), (45, 628164), (54, 523470), (60, 471123), (81, 348980), (90, 314082), (108, 261735), (135, 209388), (162, 174490), (180, 157041), (270, 104694), (324, 87245), (405, 69796), (540, 52347), (810, 34898), (1620, 17449)]