136987280

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 326645760

約数和(自身を除く): 189658480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 127, 139, 194, 254, 278, 388, 485, 508, 556, 635, 695, 776, 970, 1016, 1112, 1270, 1390, 1552, 1940, 2032, 2224, 2540, 2780, 3880, 5080, 5560, 7760, 10160, 11120, 12319, 13483, 17653, 24638, 26966, 35306, 49276, 53932, 61595, 67415, 70612, 88265, 98552, 107864, 123190, 134830, 141224, 176530, 197104, 215728, 246380, 269660, 282448, 353060, 492760, 539320, 706120, 985520, 1078640, 1412240, 1712341, 3424682, 6849364, 8561705, 13698728, 17123410, 27397456, 34246820, 68493640, 136987280]

約数ペア:

[(1, 136987280), (2, 68493640), (4, 34246820), (5, 27397456), (8, 17123410), (10, 13698728), (16, 8561705), (20, 6849364), (40, 3424682), (80, 1712341), (97, 1412240), (127, 1078640), (139, 985520), (194, 706120), (254, 539320), (278, 492760), (388, 353060), (485, 282448), (508, 269660), (556, 246380), (635, 215728), (695, 197104), (776, 176530), (970, 141224), (1016, 134830), (1112, 123190), (1270, 107864), (1390, 98552), (1552, 88265), (1940, 70612), (2032, 67415), (2224, 61595), (2540, 53932), (2780, 49276), (3880, 35306), (5080, 26966), (5560, 24638), (7760, 17653), (10160, 13483), (11120, 12319)]