127777980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193603}}^1$

素因数の和:193626

約数の個数: 48

約数和(自身を含む): 390305664

約数和(自身を除く): 262527684

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 193603, 387206, 580809, 774412, 968015, 1161618, 1936030, 2129633, 2323236, 2904045, 3872060, 4259266, 5808090, 6388899, 8518532, 10648165, 11616180, 12777798, 21296330, 25555596, 31944495, 42592660, 63888990, 127777980]

約数ペア:

[(1, 127777980), (2, 63888990), (3, 42592660), (4, 31944495), (5, 25555596), (6, 21296330), (10, 12777798), (11, 11616180), (12, 10648165), (15, 8518532), (20, 6388899), (22, 5808090), (30, 4259266), (33, 3872060), (44, 2904045), (55, 2323236), (60, 2129633), (66, 1936030), (110, 1161618), (132, 968015), (165, 774412), (220, 580809), (330, 387206), (660, 193603)]