18074280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21517}}^1$

素因数の和:21538

約数の個数: 64

約数和(自身を含む): 61971840

約数和(自身を除く): 43897560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 21517, 43034, 64551, 86068, 107585, 129102, 150619, 172136, 215170, 258204, 301238, 322755, 430340, 451857, 516408, 602476, 645510, 753095, 860680, 903714, 1204952, 1291020, 1506190, 1807428, 2259285, 2582040, 3012380, 3614856, 4518570, 6024760, 9037140, 18074280]

約数ペア:

[(1, 18074280), (2, 9037140), (3, 6024760), (4, 4518570), (5, 3614856), (6, 3012380), (7, 2582040), (8, 2259285), (10, 1807428), (12, 1506190), (14, 1291020), (15, 1204952), (20, 903714), (21, 860680), (24, 753095), (28, 645510), (30, 602476), (35, 516408), (40, 451857), (42, 430340), (56, 322755), (60, 301238), (70, 258204), (84, 215170), (105, 172136), (120, 150619), (140, 129102), (168, 107585), (210, 86068), (280, 64551), (420, 43034), (840, 21517)]