154663440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{644431}}^1$

素因数の和:644447

約数の個数: 40

約数和(自身を含む): 479457408

約数和(自身を除く): 324793968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 644431, 1288862, 1933293, 2577724, 3222155, 3866586, 5155448, 6444310, 7733172, 9666465, 10310896, 12888620, 15466344, 19332930, 25777240, 30932688, 38665860, 51554480, 77331720, 154663440]

約数ペア:

[(1, 154663440), (2, 77331720), (3, 51554480), (4, 38665860), (5, 30932688), (6, 25777240), (8, 19332930), (10, 15466344), (12, 12888620), (15, 10310896), (16, 9666465), (20, 7733172), (24, 6444310), (30, 5155448), (40, 3866586), (48, 3222155), (60, 2577724), (80, 1933293), (120, 1288862), (240, 644431)]