142880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 362880

約数和(自身を除く): 220000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 76, 80, 94, 95, 152, 160, 188, 190, 235, 304, 376, 380, 470, 608, 752, 760, 893, 940, 1504, 1520, 1786, 1880, 3040, 3572, 3760, 4465, 7144, 7520, 8930, 14288, 17860, 28576, 35720, 71440, 142880]

約数ペア:

[(1, 142880), (2, 71440), (4, 35720), (5, 28576), (8, 17860), (10, 14288), (16, 8930), (19, 7520), (20, 7144), (32, 4465), (38, 3760), (40, 3572), (47, 3040), (76, 1880), (80, 1786), (94, 1520), (95, 1504), (152, 940), (160, 893), (188, 760), (190, 752), (235, 608), (304, 470), (376, 380)]