64788660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13331}}^1$

素因数の和:13355

約数の個数: 72

約数和(自身を含む): 203819616

約数和(自身を除く): 139030956

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, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 13331, 26662, 39993, 53324, 66655, 79986, 119979, 133310, 159972, 199965, 239958, 266620, 359937, 399930, 479916, 599895, 719874, 799860, 1079811, 1199790, 1439748, 1799685, 2159622, 2399580, 3239433, 3599370, 4319244, 5399055, 6478866, 7198740, 10798110, 12957732, 16197165, 21596220, 32394330, 64788660]

約数ペア:

[(1, 64788660), (2, 32394330), (3, 21596220), (4, 16197165), (5, 12957732), (6, 10798110), (9, 7198740), (10, 6478866), (12, 5399055), (15, 4319244), (18, 3599370), (20, 3239433), (27, 2399580), (30, 2159622), (36, 1799685), (45, 1439748), (54, 1199790), (60, 1079811), (81, 799860), (90, 719874), (108, 599895), (135, 479916), (162, 399930), (180, 359937), (243, 266620), (270, 239958), (324, 199965), (405, 159972), (486, 133310), (540, 119979), (810, 79986), (972, 66655), (1215, 53324), (1620, 39993), (2430, 26662), (4860, 13331)]