66531720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{554431}}^1$

素因数の和:554445

約数の個数: 32

約数和(自身を含む): 199595520

約数和(自身を除く): 133063800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 554431, 1108862, 1663293, 2217724, 2772155, 3326586, 4435448, 5544310, 6653172, 8316465, 11088620, 13306344, 16632930, 22177240, 33265860, 66531720]

約数ペア:

[(1, 66531720), (2, 33265860), (3, 22177240), (4, 16632930), (5, 13306344), (6, 11088620), (8, 8316465), (10, 6653172), (12, 5544310), (15, 4435448), (20, 3326586), (24, 2772155), (30, 2217724), (40, 1663293), (60, 1108862), (120, 554431)]