66939720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{557831}}^1$

素因数の和:557845

約数の個数: 32

約数和(自身を含む): 200819520

約数和(自身を除く): 133879800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 557831, 1115662, 1673493, 2231324, 2789155, 3346986, 4462648, 5578310, 6693972, 8367465, 11156620, 13387944, 16734930, 22313240, 33469860, 66939720]

約数ペア:

[(1, 66939720), (2, 33469860), (3, 22313240), (4, 16734930), (5, 13387944), (6, 11156620), (8, 8367465), (10, 6693972), (12, 5578310), (15, 4462648), (20, 3346986), (24, 2789155), (30, 2231324), (40, 1673493), (60, 1115662), (120, 557831)]