64697940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{39937}}^1$

素因数の和:39958

約数の個数: 60

約数和(自身を含む): 202964916

約数和(自身を除く): 138266976

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 39937, 79874, 119811, 159748, 199685, 239622, 359433, 399370, 479244, 599055, 718866, 798740, 1078299, 1198110, 1437732, 1797165, 2156598, 2396220, 3234897, 3594330, 4313196, 5391495, 6469794, 7188660, 10782990, 12939588, 16174485, 21565980, 32348970, 64697940]

約数ペア:

[(1, 64697940), (2, 32348970), (3, 21565980), (4, 16174485), (5, 12939588), (6, 10782990), (9, 7188660), (10, 6469794), (12, 5391495), (15, 4313196), (18, 3594330), (20, 3234897), (27, 2396220), (30, 2156598), (36, 1797165), (45, 1437732), (54, 1198110), (60, 1078299), (81, 798740), (90, 718866), (108, 599055), (135, 479244), (162, 399370), (180, 359433), (270, 239622), (324, 199685), (405, 159748), (540, 119811), (810, 79874), (1620, 39937)]