2912156120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{3469}}^1$

素因数の和:4188

約数の個数: 64

約数和(自身を含む): 6775660800

約数和(自身を除く): 3863504680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 677, 1240, 1354, 2708, 3385, 3469, 5416, 6770, 6938, 13540, 13876, 17345, 20987, 27080, 27752, 34690, 41974, 69380, 83948, 104935, 107539, 138760, 167896, 209870, 215078, 419740, 430156, 537695, 839480, 860312, 1075390, 2150780, 2348513, 4301560, 4697026, 9394052, 11742565, 18788104, 23485130, 46970260, 72803903, 93940520, 145607806, 291215612, 364019515, 582431224, 728039030, 1456078060, 2912156120]

約数ペア:

[(1, 2912156120), (2, 1456078060), (4, 728039030), (5, 582431224), (8, 364019515), (10, 291215612), (20, 145607806), (31, 93940520), (40, 72803903), (62, 46970260), (124, 23485130), (155, 18788104), (248, 11742565), (310, 9394052), (620, 4697026), (677, 4301560), (1240, 2348513), (1354, 2150780), (2708, 1075390), (3385, 860312), (3469, 839480), (5416, 537695), (6770, 430156), (6938, 419740), (13540, 215078), (13876, 209870), (17345, 167896), (20987, 138760), (27080, 107539), (27752, 104935), (34690, 83948), (41974, 69380)]