28001880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{77783}}^1$

素因数の和:77800

約数の個数: 48

約数和(自身を含む): 91007280

約数和(自身を除く): 63005400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 77783, 155566, 233349, 311132, 388915, 466698, 622264, 700047, 777830, 933396, 1166745, 1400094, 1555660, 1866792, 2333490, 2800188, 3111320, 3500235, 4666980, 5600376, 7000470, 9333960, 14000940, 28001880]

約数ペア:

[(1, 28001880), (2, 14000940), (3, 9333960), (4, 7000470), (5, 5600376), (6, 4666980), (8, 3500235), (9, 3111320), (10, 2800188), (12, 2333490), (15, 1866792), (18, 1555660), (20, 1400094), (24, 1166745), (30, 933396), (36, 777830), (40, 700047), (45, 622264), (60, 466698), (72, 388915), (90, 311132), (120, 233349), (180, 155566), (360, 77783)]