64704840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{539207}}^1$

素因数の和:539221

約数の個数: 32

約数和(自身を含む): 194114880

約数和(自身を除く): 129410040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 539207, 1078414, 1617621, 2156828, 2696035, 3235242, 4313656, 5392070, 6470484, 8088105, 10784140, 12940968, 16176210, 21568280, 32352420, 64704840]

約数ペア:

[(1, 64704840), (2, 32352420), (3, 21568280), (4, 16176210), (5, 12940968), (6, 10784140), (8, 8088105), (10, 6470484), (12, 5392070), (15, 4313656), (20, 3235242), (24, 2696035), (30, 2156828), (40, 1617621), (60, 1078414), (120, 539207)]