87991380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{162947}}^1$

素因数の和:162965

約数の個数: 48

約数和(自身を含む): 273752640

約数和(自身を除く): 185761260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 162947, 325894, 488841, 651788, 814735, 977682, 1466523, 1629470, 1955364, 2444205, 2933046, 3258940, 4399569, 4888410, 5866092, 7332615, 8799138, 9776820, 14665230, 17598276, 21997845, 29330460, 43995690, 87991380]

約数ペア:

[(1, 87991380), (2, 43995690), (3, 29330460), (4, 21997845), (5, 17598276), (6, 14665230), (9, 9776820), (10, 8799138), (12, 7332615), (15, 5866092), (18, 4888410), (20, 4399569), (27, 3258940), (30, 2933046), (36, 2444205), (45, 1955364), (54, 1629470), (60, 1466523), (90, 977682), (108, 814735), (135, 651788), (180, 488841), (270, 325894), (540, 162947)]