172831920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{720133}}^1$

素因数の和:720149

約数の個数: 40

約数和(自身を含む): 535779696

約数和(自身を除く): 362947776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 720133, 1440266, 2160399, 2880532, 3600665, 4320798, 5761064, 7201330, 8641596, 10801995, 11522128, 14402660, 17283192, 21603990, 28805320, 34566384, 43207980, 57610640, 86415960, 172831920]

約数ペア:

[(1, 172831920), (2, 86415960), (3, 57610640), (4, 43207980), (5, 34566384), (6, 28805320), (8, 21603990), (10, 17283192), (12, 14402660), (15, 11522128), (16, 10801995), (20, 8641596), (24, 7201330), (30, 5761064), (40, 4320798), (48, 3600665), (60, 2880532), (80, 2160399), (120, 1440266), (240, 720133)]