77331720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{644431}}^1$

素因数の和:644445

約数の個数: 32

約数和(自身を含む): 231995520

約数和(自身を除く): 154663800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 644431, 1288862, 1933293, 2577724, 3222155, 3866586, 5155448, 6444310, 7733172, 9666465, 12888620, 15466344, 19332930, 25777240, 38665860, 77331720]

約数ペア:

[(1, 77331720), (2, 38665860), (3, 25777240), (4, 19332930), (5, 15466344), (6, 12888620), (8, 9666465), (10, 7733172), (12, 6444310), (15, 5155448), (20, 3866586), (24, 3222155), (30, 2577724), (40, 1933293), (60, 1288862), (120, 644431)]