78421020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9403}}^1$

素因数の和:9554

約数の個数: 48

約数和(自身を含む): 221182080

約数和(自身を除く): 142761060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 9403, 18806, 28209, 37612, 47015, 56418, 94030, 112836, 141045, 188060, 282090, 564180, 1307017, 2614034, 3921051, 5228068, 6535085, 7842102, 13070170, 15684204, 19605255, 26140340, 39210510, 78421020]

約数ペア:

[(1, 78421020), (2, 39210510), (3, 26140340), (4, 19605255), (5, 15684204), (6, 13070170), (10, 7842102), (12, 6535085), (15, 5228068), (20, 3921051), (30, 2614034), (60, 1307017), (139, 564180), (278, 282090), (417, 188060), (556, 141045), (695, 112836), (834, 94030), (1390, 56418), (1668, 47015), (2085, 37612), (2780, 28209), (4170, 18806), (8340, 9403)]