51506640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71537}}^1$

素因数の和:71556

約数の個数: 60

約数和(自身を含む): 172978884

約数和(自身を除く): 121472244

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 71537, 143074, 214611, 286148, 357685, 429222, 572296, 643833, 715370, 858444, 1073055, 1144592, 1287666, 1430740, 1716888, 2146110, 2575332, 2861480, 3219165, 3433776, 4292220, 5150664, 5722960, 6438330, 8584440, 10301328, 12876660, 17168880, 25753320, 51506640]

約数ペア:

[(1, 51506640), (2, 25753320), (3, 17168880), (4, 12876660), (5, 10301328), (6, 8584440), (8, 6438330), (9, 5722960), (10, 5150664), (12, 4292220), (15, 3433776), (16, 3219165), (18, 2861480), (20, 2575332), (24, 2146110), (30, 1716888), (36, 1430740), (40, 1287666), (45, 1144592), (48, 1073055), (60, 858444), (72, 715370), (80, 643833), (90, 572296), (120, 429222), (144, 357685), (180, 286148), (240, 214611), (360, 143074), (720, 71537)]