27920520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{77557}}^1$

素因数の和:77574

約数の個数: 48

約数和(自身を含む): 90742860

約数和(自身を除く): 62822340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 77557, 155114, 232671, 310228, 387785, 465342, 620456, 698013, 775570, 930684, 1163355, 1396026, 1551140, 1861368, 2326710, 2792052, 3102280, 3490065, 4653420, 5584104, 6980130, 9306840, 13960260, 27920520]

約数ペア:

[(1, 27920520), (2, 13960260), (3, 9306840), (4, 6980130), (5, 5584104), (6, 4653420), (8, 3490065), (9, 3102280), (10, 2792052), (12, 2326710), (15, 1861368), (18, 1551140), (20, 1396026), (24, 1163355), (30, 930684), (36, 775570), (40, 698013), (45, 620456), (60, 465342), (72, 387785), (90, 310228), (120, 232671), (180, 155114), (360, 77557)]