128020410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{203207}}^1$

素因数の和:203227

約数の個数: 48

約数和(自身を含む): 380405376

約数和(自身を除く): 252384966

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 203207, 406414, 609621, 1016035, 1219242, 1422449, 1828863, 2032070, 2844898, 3048105, 3657726, 4267347, 6096210, 7112245, 8534694, 9144315, 12802041, 14224490, 18288630, 21336735, 25604082, 42673470, 64010205, 128020410]

約数ペア:

[(1, 128020410), (2, 64010205), (3, 42673470), (5, 25604082), (6, 21336735), (7, 18288630), (9, 14224490), (10, 12802041), (14, 9144315), (15, 8534694), (18, 7112245), (21, 6096210), (30, 4267347), (35, 3657726), (42, 3048105), (45, 2844898), (63, 2032070), (70, 1828863), (90, 1422449), (105, 1219242), (126, 1016035), (210, 609621), (315, 406414), (630, 203207)]