31265220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74441}}^1$

素因数の和:74460

約数の個数: 48

約数和(自身を含む): 100050048

約数和(自身を除く): 68784828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 74441, 148882, 223323, 297764, 372205, 446646, 521087, 744410, 893292, 1042174, 1116615, 1488820, 1563261, 2084348, 2233230, 2605435, 3126522, 4466460, 5210870, 6253044, 7816305, 10421740, 15632610, 31265220]

約数ペア:

[(1, 31265220), (2, 15632610), (3, 10421740), (4, 7816305), (5, 6253044), (6, 5210870), (7, 4466460), (10, 3126522), (12, 2605435), (14, 2233230), (15, 2084348), (20, 1563261), (21, 1488820), (28, 1116615), (30, 1042174), (35, 893292), (42, 744410), (60, 521087), (70, 446646), (84, 372205), (105, 297764), (140, 223323), (210, 148882), (420, 74441)]