87577980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{208519}}^1$

素因数の和:208538

約数の個数: 48

約数和(自身を含む): 280250880

約数和(自身を除く): 192672900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 208519, 417038, 625557, 834076, 1042595, 1251114, 1459633, 2085190, 2502228, 2919266, 3127785, 4170380, 4378899, 5838532, 6255570, 7298165, 8757798, 12511140, 14596330, 17515596, 21894495, 29192660, 43788990, 87577980]

約数ペア:

[(1, 87577980), (2, 43788990), (3, 29192660), (4, 21894495), (5, 17515596), (6, 14596330), (7, 12511140), (10, 8757798), (12, 7298165), (14, 6255570), (15, 5838532), (20, 4378899), (21, 4170380), (28, 3127785), (30, 2919266), (35, 2502228), (42, 2085190), (60, 1459633), (70, 1251114), (84, 1042595), (105, 834076), (140, 625557), (210, 417038), (420, 208519)]