67793080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 156492000

約数和(自身を除く): 88698920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 137, 139, 178, 274, 278, 356, 445, 548, 556, 685, 695, 712, 890, 1096, 1112, 1370, 1390, 1780, 2740, 2780, 3560, 5480, 5560, 12193, 12371, 19043, 24386, 24742, 38086, 48772, 49484, 60965, 61855, 76172, 95215, 97544, 98968, 121930, 123710, 152344, 190430, 243860, 247420, 380860, 487720, 494840, 761720, 1694827, 3389654, 6779308, 8474135, 13558616, 16948270, 33896540, 67793080]

約数ペア:

[(1, 67793080), (2, 33896540), (4, 16948270), (5, 13558616), (8, 8474135), (10, 6779308), (20, 3389654), (40, 1694827), (89, 761720), (137, 494840), (139, 487720), (178, 380860), (274, 247420), (278, 243860), (356, 190430), (445, 152344), (548, 123710), (556, 121930), (685, 98968), (695, 97544), (712, 95215), (890, 76172), (1096, 61855), (1112, 60965), (1370, 49484), (1390, 48772), (1780, 38086), (2740, 24742), (2780, 24386), (3560, 19043), (5480, 12371), (5560, 12193)]