18004680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{5557}}^1$

素因数の和:5580

約数の個数: 80

約数和(自身を含む): 60526620

約数和(自身を除く): 42521940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 5557, 11114, 16671, 22228, 27785, 33342, 44456, 50013, 55570, 66684, 83355, 100026, 111140, 133368, 150039, 166710, 200052, 222280, 250065, 300078, 333420, 400104, 450117, 500130, 600156, 666840, 750195, 900234, 1000260, 1200312, 1500390, 1800468, 2000520, 2250585, 3000780, 3600936, 4501170, 6001560, 9002340, 18004680]

約数ペア:

[(1, 18004680), (2, 9002340), (3, 6001560), (4, 4501170), (5, 3600936), (6, 3000780), (8, 2250585), (9, 2000520), (10, 1800468), (12, 1500390), (15, 1200312), (18, 1000260), (20, 900234), (24, 750195), (27, 666840), (30, 600156), (36, 500130), (40, 450117), (45, 400104), (54, 333420), (60, 300078), (72, 250065), (81, 222280), (90, 200052), (108, 166710), (120, 150039), (135, 133368), (162, 111140), (180, 100026), (216, 83355), (270, 66684), (324, 55570), (360, 50013), (405, 44456), (540, 33342), (648, 27785), (810, 22228), (1080, 16671), (1620, 11114), (3240, 5557)]