12123520

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1035

約数の個数: 64

約数和(自身を含む): 30538800

約数和(自身を除く): 18415280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 997, 1216, 1520, 1994, 2432, 3040, 3988, 4985, 6080, 7976, 9970, 12160, 15952, 18943, 19940, 31904, 37886, 39880, 63808, 75772, 79760, 94715, 127616, 151544, 159520, 189430, 303088, 319040, 378860, 606176, 638080, 757720, 1212352, 1515440, 2424704, 3030880, 6061760, 12123520]

約数ペア:

[(1, 12123520), (2, 6061760), (4, 3030880), (5, 2424704), (8, 1515440), (10, 1212352), (16, 757720), (19, 638080), (20, 606176), (32, 378860), (38, 319040), (40, 303088), (64, 189430), (76, 159520), (80, 151544), (95, 127616), (128, 94715), (152, 79760), (160, 75772), (190, 63808), (304, 39880), (320, 37886), (380, 31904), (608, 19940), (640, 18943), (760, 15952), (997, 12160), (1216, 9970), (1520, 7976), (1994, 6080), (2432, 4985), (3040, 3988)]