20801400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:993

約数の個数: 96

約数和(自身を含む): 66297840

約数和(自身を除く): 45496440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 37, 40, 50, 60, 74, 75, 100, 111, 120, 148, 150, 185, 200, 222, 296, 300, 370, 444, 555, 600, 740, 888, 925, 937, 1110, 1480, 1850, 1874, 2220, 2775, 2811, 3700, 3748, 4440, 4685, 5550, 5622, 7400, 7496, 9370, 11100, 11244, 14055, 18740, 22200, 22488, 23425, 28110, 34669, 37480, 46850, 56220, 69338, 70275, 93700, 104007, 112440, 138676, 140550, 173345, 187400, 208014, 277352, 281100, 346690, 416028, 520035, 562200, 693380, 832056, 866725, 1040070, 1386760, 1733450, 2080140, 2600175, 3466900, 4160280, 5200350, 6933800, 10400700, 20801400]

約数ペア:

[(1, 20801400), (2, 10400700), (3, 6933800), (4, 5200350), (5, 4160280), (6, 3466900), (8, 2600175), (10, 2080140), (12, 1733450), (15, 1386760), (20, 1040070), (24, 866725), (25, 832056), (30, 693380), (37, 562200), (40, 520035), (50, 416028), (60, 346690), (74, 281100), (75, 277352), (100, 208014), (111, 187400), (120, 173345), (148, 140550), (150, 138676), (185, 112440), (200, 104007), (222, 93700), (296, 70275), (300, 69338), (370, 56220), (444, 46850), (555, 37480), (600, 34669), (740, 28110), (888, 23425), (925, 22488), (937, 22200), (1110, 18740), (1480, 14055), (1850, 11244), (1874, 11100), (2220, 9370), (2775, 7496), (2811, 7400), (3700, 5622), (3748, 5550), (4440, 4685)]