12787760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 32140800

約数和(自身を除く): 19353040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 179, 188, 190, 235, 304, 358, 376, 380, 470, 716, 752, 760, 893, 895, 940, 1432, 1520, 1786, 1790, 1880, 2864, 3401, 3572, 3580, 3760, 4465, 6802, 7144, 7160, 8413, 8930, 13604, 14288, 14320, 16826, 17005, 17860, 27208, 33652, 34010, 35720, 42065, 54416, 67304, 68020, 71440, 84130, 134608, 136040, 159847, 168260, 272080, 319694, 336520, 639388, 673040, 799235, 1278776, 1598470, 2557552, 3196940, 6393880, 12787760]

約数ペア:

[(1, 12787760), (2, 6393880), (4, 3196940), (5, 2557552), (8, 1598470), (10, 1278776), (16, 799235), (19, 673040), (20, 639388), (38, 336520), (40, 319694), (47, 272080), (76, 168260), (80, 159847), (94, 136040), (95, 134608), (152, 84130), (179, 71440), (188, 68020), (190, 67304), (235, 54416), (304, 42065), (358, 35720), (376, 34010), (380, 33652), (470, 27208), (716, 17860), (752, 17005), (760, 16826), (893, 14320), (895, 14288), (940, 13604), (1432, 8930), (1520, 8413), (1786, 7160), (1790, 7144), (1880, 6802), (2864, 4465), (3401, 3760), (3572, 3580)]