855120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{509}}^1$

素因数の和:532

約数の個数: 80

約数和(自身を含む): 3035520

約数和(自身を除く): 2180400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 509, 560, 840, 1018, 1527, 1680, 2036, 2545, 3054, 3563, 4072, 5090, 6108, 7126, 7635, 8144, 10180, 10689, 12216, 14252, 15270, 17815, 20360, 21378, 24432, 28504, 30540, 35630, 40720, 42756, 53445, 57008, 61080, 71260, 85512, 106890, 122160, 142520, 171024, 213780, 285040, 427560, 855120]

約数ペア:

[(1, 855120), (2, 427560), (3, 285040), (4, 213780), (5, 171024), (6, 142520), (7, 122160), (8, 106890), (10, 85512), (12, 71260), (14, 61080), (15, 57008), (16, 53445), (20, 42756), (21, 40720), (24, 35630), (28, 30540), (30, 28504), (35, 24432), (40, 21378), (42, 20360), (48, 17815), (56, 15270), (60, 14252), (70, 12216), (80, 10689), (84, 10180), (105, 8144), (112, 7635), (120, 7126), (140, 6108), (168, 5090), (210, 4072), (240, 3563), (280, 3054), (336, 2545), (420, 2036), (509, 1680), (560, 1527), (840, 1018)]