55128840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35339}}^1$

素因数の和:35366

約数の個数: 64

約数和(自身を含む): 178113600

約数和(自身を除く): 122984760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 35339, 70678, 106017, 141356, 176695, 212034, 282712, 353390, 424068, 459407, 530085, 706780, 848136, 918814, 1060170, 1378221, 1413560, 1837628, 2120340, 2297035, 2756442, 3675256, 4240680, 4594070, 5512884, 6891105, 9188140, 11025768, 13782210, 18376280, 27564420, 55128840]

約数ペア:

[(1, 55128840), (2, 27564420), (3, 18376280), (4, 13782210), (5, 11025768), (6, 9188140), (8, 6891105), (10, 5512884), (12, 4594070), (13, 4240680), (15, 3675256), (20, 2756442), (24, 2297035), (26, 2120340), (30, 1837628), (39, 1413560), (40, 1378221), (52, 1060170), (60, 918814), (65, 848136), (78, 706780), (104, 530085), (120, 459407), (130, 424068), (156, 353390), (195, 282712), (260, 212034), (312, 176695), (390, 141356), (520, 106017), (780, 70678), (1560, 35339)]