30591880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 75660480

約数和(自身を除く): 45068600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 251, 277, 440, 502, 554, 1004, 1108, 1255, 1385, 2008, 2216, 2510, 2761, 2770, 3047, 5020, 5522, 5540, 6094, 10040, 11044, 11080, 12188, 13805, 15235, 22088, 24376, 27610, 30470, 55220, 60940, 69527, 110440, 121880, 139054, 278108, 347635, 556216, 695270, 764797, 1390540, 1529594, 2781080, 3059188, 3823985, 6118376, 7647970, 15295940, 30591880]

約数ペア:

[(1, 30591880), (2, 15295940), (4, 7647970), (5, 6118376), (8, 3823985), (10, 3059188), (11, 2781080), (20, 1529594), (22, 1390540), (40, 764797), (44, 695270), (55, 556216), (88, 347635), (110, 278108), (220, 139054), (251, 121880), (277, 110440), (440, 69527), (502, 60940), (554, 55220), (1004, 30470), (1108, 27610), (1255, 24376), (1385, 22088), (2008, 15235), (2216, 13805), (2510, 12188), (2761, 11080), (2770, 11044), (3047, 10040), (5020, 6094), (5522, 5540)]