28681020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53113}}^1$

素因数の和:53131

約数の個数: 48

約数和(自身を含む): 89231520

約数和(自身を除く): 60550500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 53113, 106226, 159339, 212452, 265565, 318678, 478017, 531130, 637356, 796695, 956034, 1062260, 1434051, 1593390, 1912068, 2390085, 2868102, 3186780, 4780170, 5736204, 7170255, 9560340, 14340510, 28681020]

約数ペア:

[(1, 28681020), (2, 14340510), (3, 9560340), (4, 7170255), (5, 5736204), (6, 4780170), (9, 3186780), (10, 2868102), (12, 2390085), (15, 1912068), (18, 1593390), (20, 1434051), (27, 1062260), (30, 956034), (36, 796695), (45, 637356), (54, 531130), (60, 478017), (90, 318678), (108, 265565), (135, 212452), (180, 159339), (270, 106226), (540, 53113)]