1275280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:871

約数の個数: 40

約数和(自身を含む): 3124800

約数和(自身を除く): 1849520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 839, 1520, 1678, 3356, 4195, 6712, 8390, 13424, 15941, 16780, 31882, 33560, 63764, 67120, 79705, 127528, 159410, 255056, 318820, 637640, 1275280]

約数ペア:

[(1, 1275280), (2, 637640), (4, 318820), (5, 255056), (8, 159410), (10, 127528), (16, 79705), (19, 67120), (20, 63764), (38, 33560), (40, 31882), (76, 16780), (80, 15941), (95, 13424), (152, 8390), (190, 6712), (304, 4195), (380, 3356), (760, 1678), (839, 1520)]