51085980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25801}}^1$

素因数の和:25827

約数の個数: 72

約数和(自身を含む): 169054704

約数和(自身を除く): 117968724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 25801, 51602, 77403, 103204, 129005, 154806, 232209, 258010, 283811, 309612, 387015, 464418, 516020, 567622, 774030, 851433, 928836, 1135244, 1161045, 1419055, 1548060, 1702866, 2322090, 2554299, 2838110, 3405732, 4257165, 4644180, 5108598, 5676220, 8514330, 10217196, 12771495, 17028660, 25542990, 51085980]

約数ペア:

[(1, 51085980), (2, 25542990), (3, 17028660), (4, 12771495), (5, 10217196), (6, 8514330), (9, 5676220), (10, 5108598), (11, 4644180), (12, 4257165), (15, 3405732), (18, 2838110), (20, 2554299), (22, 2322090), (30, 1702866), (33, 1548060), (36, 1419055), (44, 1161045), (45, 1135244), (55, 928836), (60, 851433), (66, 774030), (90, 567622), (99, 516020), (110, 464418), (132, 387015), (165, 309612), (180, 283811), (198, 258010), (220, 232209), (330, 154806), (396, 129005), (495, 103204), (660, 77403), (990, 51602), (1980, 25801)]