1789620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4261}}^1$

素因数の和:4280

約数の個数: 48

約数和(自身を含む): 5728128

約数和(自身を除く): 3938508

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, 4261, 8522, 12783, 17044, 21305, 25566, 29827, 42610, 51132, 59654, 63915, 85220, 89481, 119308, 127830, 149135, 178962, 255660, 298270, 357924, 447405, 596540, 894810, 1789620]

約数ペア:

[(1, 1789620), (2, 894810), (3, 596540), (4, 447405), (5, 357924), (6, 298270), (7, 255660), (10, 178962), (12, 149135), (14, 127830), (15, 119308), (20, 89481), (21, 85220), (28, 63915), (30, 59654), (35, 51132), (42, 42610), (60, 29827), (70, 25566), (84, 21305), (105, 17044), (140, 12783), (210, 8522), (420, 4261)]