255049620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{607261}}^1$

素因数の和:607280

約数の個数: 48

約数和(自身を含む): 816160128

約数和(自身を除く): 561110508

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, 607261, 1214522, 1821783, 2429044, 3036305, 3643566, 4250827, 6072610, 7287132, 8501654, 9108915, 12145220, 12752481, 17003308, 18217830, 21254135, 25504962, 36435660, 42508270, 51009924, 63762405, 85016540, 127524810, 255049620]

約数ペア:

[(1, 255049620), (2, 127524810), (3, 85016540), (4, 63762405), (5, 51009924), (6, 42508270), (7, 36435660), (10, 25504962), (12, 21254135), (14, 18217830), (15, 17003308), (20, 12752481), (21, 12145220), (28, 9108915), (30, 8501654), (35, 7287132), (42, 6072610), (60, 4250827), (70, 3643566), (84, 3036305), (105, 2429044), (140, 1821783), (210, 1214522), (420, 607261)]