30745980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{18979}}^1$

素因数の和:19000

約数の個数: 60

約数和(自身を含む): 96456360

約数和(自身を除く): 65710380

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, 18979, 37958, 56937, 75916, 94895, 113874, 170811, 189790, 227748, 284685, 341622, 379580, 512433, 569370, 683244, 854055, 1024866, 1138740, 1537299, 1708110, 2049732, 2562165, 3074598, 3416220, 5124330, 6149196, 7686495, 10248660, 15372990, 30745980]

約数ペア:

[(1, 30745980), (2, 15372990), (3, 10248660), (4, 7686495), (5, 6149196), (6, 5124330), (9, 3416220), (10, 3074598), (12, 2562165), (15, 2049732), (18, 1708110), (20, 1537299), (27, 1138740), (30, 1024866), (36, 854055), (45, 683244), (54, 569370), (60, 512433), (81, 379580), (90, 341622), (108, 284685), (135, 227748), (162, 189790), (180, 170811), (270, 113874), (324, 94895), (405, 75916), (540, 56937), (810, 37958), (1620, 18979)]