220957020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1227539}}^1$

素因数の和:1227554

約数の個数: 36

約数和(自身を含む): 670236840

約数和(自身を除く): 449279820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1227539, 2455078, 3682617, 4910156, 6137695, 7365234, 11047851, 12275390, 14730468, 18413085, 22095702, 24550780, 36826170, 44191404, 55239255, 73652340, 110478510, 220957020]

約数ペア:

[(1, 220957020), (2, 110478510), (3, 73652340), (4, 55239255), (5, 44191404), (6, 36826170), (9, 24550780), (10, 22095702), (12, 18413085), (15, 14730468), (18, 12275390), (20, 11047851), (30, 7365234), (36, 6137695), (45, 4910156), (60, 3682617), (90, 2455078), (180, 1227539)]