15701980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5903}}^1$

素因数の和:5938

約数の個数: 48

約数和(自身を含む): 39674880

約数和(自身を除く): 23972900

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, 5903, 11806, 23612, 29515, 41321, 59030, 82642, 112157, 118060, 165284, 206605, 224314, 413210, 448628, 560785, 785099, 826420, 1121570, 1570198, 2243140, 3140396, 3925495, 7850990, 15701980]

約数ペア:

[(1, 15701980), (2, 7850990), (4, 3925495), (5, 3140396), (7, 2243140), (10, 1570198), (14, 1121570), (19, 826420), (20, 785099), (28, 560785), (35, 448628), (38, 413210), (70, 224314), (76, 206605), (95, 165284), (133, 118060), (140, 112157), (190, 82642), (266, 59030), (380, 41321), (532, 29515), (665, 23612), (1330, 11806), (2660, 5903)]