12920520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107671}}^1$

素因数の和:107685

約数の個数: 32

約数和(自身を含む): 38761920

約数和(自身を除く): 25841400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 107671, 215342, 323013, 430684, 538355, 646026, 861368, 1076710, 1292052, 1615065, 2153420, 2584104, 3230130, 4306840, 6460260, 12920520]

約数ペア:

[(1, 12920520), (2, 6460260), (3, 4306840), (4, 3230130), (5, 2584104), (6, 2153420), (8, 1615065), (10, 1292052), (12, 1076710), (15, 861368), (20, 646026), (24, 538355), (30, 430684), (40, 323013), (60, 215342), (120, 107671)]