11181080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 26542080

約数和(自身を除く): 15361000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 127, 142, 155, 248, 254, 284, 310, 355, 508, 568, 620, 635, 710, 1016, 1240, 1270, 1420, 2201, 2540, 2840, 3937, 4402, 5080, 7874, 8804, 9017, 11005, 15748, 17608, 18034, 19685, 22010, 31496, 36068, 39370, 44020, 45085, 72136, 78740, 88040, 90170, 157480, 180340, 279527, 360680, 559054, 1118108, 1397635, 2236216, 2795270, 5590540, 11181080]

約数ペア:

[(1, 11181080), (2, 5590540), (4, 2795270), (5, 2236216), (8, 1397635), (10, 1118108), (20, 559054), (31, 360680), (40, 279527), (62, 180340), (71, 157480), (124, 90170), (127, 88040), (142, 78740), (155, 72136), (248, 45085), (254, 44020), (284, 39370), (310, 36068), (355, 31496), (508, 22010), (568, 19685), (620, 18034), (635, 17608), (710, 15748), (1016, 11005), (1240, 9017), (1270, 8804), (1420, 7874), (2201, 5080), (2540, 4402), (2840, 3937)]