80281460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30181}}^1$

素因数の和:30216

約数の個数: 48

約数和(自身を含む): 202823040

約数和(自身を除く): 122541580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 30181, 60362, 120724, 150905, 211267, 301810, 422534, 573439, 603620, 845068, 1056335, 1146878, 2112670, 2293756, 2867195, 4014073, 4225340, 5734390, 8028146, 11468780, 16056292, 20070365, 40140730, 80281460]

約数ペア:

[(1, 80281460), (2, 40140730), (4, 20070365), (5, 16056292), (7, 11468780), (10, 8028146), (14, 5734390), (19, 4225340), (20, 4014073), (28, 2867195), (35, 2293756), (38, 2112670), (70, 1146878), (76, 1056335), (95, 845068), (133, 603620), (140, 573439), (190, 422534), (266, 301810), (380, 211267), (532, 150905), (665, 120724), (1330, 60362), (2660, 30181)]