20040840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 65707200

約数和(自身を除く): 45666360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 179, 180, 311, 358, 360, 537, 622, 716, 895, 933, 1074, 1244, 1432, 1555, 1611, 1790, 1866, 2148, 2488, 2685, 2799, 3110, 3222, 3580, 3732, 4296, 4665, 5370, 5598, 6220, 6444, 7160, 7464, 8055, 9330, 10740, 11196, 12440, 12888, 13995, 16110, 18660, 21480, 22392, 27990, 32220, 37320, 55669, 55980, 64440, 111338, 111960, 167007, 222676, 278345, 334014, 445352, 501021, 556690, 668028, 835035, 1002042, 1113380, 1336056, 1670070, 2004084, 2226760, 2505105, 3340140, 4008168, 5010210, 6680280, 10020420, 20040840]

約数ペア:

[(1, 20040840), (2, 10020420), (3, 6680280), (4, 5010210), (5, 4008168), (6, 3340140), (8, 2505105), (9, 2226760), (10, 2004084), (12, 1670070), (15, 1336056), (18, 1113380), (20, 1002042), (24, 835035), (30, 668028), (36, 556690), (40, 501021), (45, 445352), (60, 334014), (72, 278345), (90, 222676), (120, 167007), (179, 111960), (180, 111338), (311, 64440), (358, 55980), (360, 55669), (537, 37320), (622, 32220), (716, 27990), (895, 22392), (933, 21480), (1074, 18660), (1244, 16110), (1432, 13995), (1555, 12888), (1611, 12440), (1790, 11196), (1866, 10740), (2148, 9330), (2488, 8055), (2685, 7464), (2799, 7160), (3110, 6444), (3222, 6220), (3580, 5598), (3732, 5370), (4296, 4665)]