121230640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79757}}^1$

素因数の和:79789

約数の個数: 40

約数和(自身を含む): 296699760

約数和(自身を除く): 175469120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 79757, 159514, 319028, 398785, 638056, 797570, 1276112, 1515383, 1595140, 3030766, 3190280, 6061532, 6380560, 7576915, 12123064, 15153830, 24246128, 30307660, 60615320, 121230640]

約数ペア:

[(1, 121230640), (2, 60615320), (4, 30307660), (5, 24246128), (8, 15153830), (10, 12123064), (16, 7576915), (19, 6380560), (20, 6061532), (38, 3190280), (40, 3030766), (76, 1595140), (80, 1515383), (95, 1276112), (152, 797570), (190, 638056), (304, 398785), (380, 319028), (760, 159514), (1520, 79757)]