128155230

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{67807}}^1$

素因数の和:67830

約数の個数: 64

約数和(自身を含む): 390574080

約数和(自身を除く): 262418850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 67807, 135614, 203421, 339035, 406842, 474649, 610263, 678070, 949298, 1017105, 1220526, 1423947, 1830789, 2034210, 2373245, 2847894, 3051315, 3661578, 4271841, 4746490, 6102630, 7119735, 8543682, 9153945, 12815523, 14239470, 18307890, 21359205, 25631046, 42718410, 64077615, 128155230]

約数ペア:

[(1, 128155230), (2, 64077615), (3, 42718410), (5, 25631046), (6, 21359205), (7, 18307890), (9, 14239470), (10, 12815523), (14, 9153945), (15, 8543682), (18, 7119735), (21, 6102630), (27, 4746490), (30, 4271841), (35, 3661578), (42, 3051315), (45, 2847894), (54, 2373245), (63, 2034210), (70, 1830789), (90, 1423947), (105, 1220526), (126, 1017105), (135, 949298), (189, 678070), (210, 610263), (270, 474649), (315, 406842), (378, 339035), (630, 203421), (945, 135614), (1890, 67807)]