2143809780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{729187}}^1$

素因数の和:729213

約数の個数: 72

約数和(自身を含む): 6982704288

約数和(自身を除く): 4838894508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 729187, 1458374, 2187561, 2916748, 3645935, 4375122, 5104309, 7291870, 8750244, 10208618, 10937805, 14583740, 15312927, 20417236, 21875610, 25521545, 30625854, 35730163, 43751220, 51043090, 61251708, 71460326, 76564635, 102086180, 107190489, 142920652, 153129270, 178650815, 214380978, 306258540, 357301630, 428761956, 535952445, 714603260, 1071904890, 2143809780]

約数ペア:

[(1, 2143809780), (2, 1071904890), (3, 714603260), (4, 535952445), (5, 428761956), (6, 357301630), (7, 306258540), (10, 214380978), (12, 178650815), (14, 153129270), (15, 142920652), (20, 107190489), (21, 102086180), (28, 76564635), (30, 71460326), (35, 61251708), (42, 51043090), (49, 43751220), (60, 35730163), (70, 30625854), (84, 25521545), (98, 21875610), (105, 20417236), (140, 15312927), (147, 14583740), (196, 10937805), (210, 10208618), (245, 8750244), (294, 7291870), (420, 5104309), (490, 4375122), (588, 3645935), (735, 2916748), (980, 2187561), (1470, 1458374), (2940, 729187)]