2080203420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{145063}}^1$

素因数の和:145314

約数の個数: 48

約数和(自身を含む): 5848980480

約数和(自身を除く): 3768777060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1434, 2390, 2868, 3585, 4780, 7170, 14340, 145063, 290126, 435189, 580252, 725315, 870378, 1450630, 1740756, 2175945, 2901260, 4351890, 8703780, 34670057, 69340114, 104010171, 138680228, 173350285, 208020342, 346700570, 416040684, 520050855, 693401140, 1040101710, 2080203420]

約数ペア:

[(1, 2080203420), (2, 1040101710), (3, 693401140), (4, 520050855), (5, 416040684), (6, 346700570), (10, 208020342), (12, 173350285), (15, 138680228), (20, 104010171), (30, 69340114), (60, 34670057), (239, 8703780), (478, 4351890), (717, 2901260), (956, 2175945), (1195, 1740756), (1434, 1450630), (2390, 870378), (2868, 725315), (3585, 580252), (4780, 435189), (7170, 290126), (14340, 145063)]