12187520

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 29559600

約数和(自身を除く): 17372080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 139, 160, 274, 278, 320, 548, 556, 640, 685, 695, 1096, 1112, 1370, 1390, 2192, 2224, 2740, 2780, 4384, 4448, 5480, 5560, 8768, 8896, 10960, 11120, 17536, 17792, 19043, 21920, 22240, 38086, 43840, 44480, 76172, 87680, 88960, 95215, 152344, 190430, 304688, 380860, 609376, 761720, 1218752, 1523440, 2437504, 3046880, 6093760, 12187520]

約数ペア:

[(1, 12187520), (2, 6093760), (4, 3046880), (5, 2437504), (8, 1523440), (10, 1218752), (16, 761720), (20, 609376), (32, 380860), (40, 304688), (64, 190430), (80, 152344), (128, 95215), (137, 88960), (139, 87680), (160, 76172), (274, 44480), (278, 43840), (320, 38086), (548, 22240), (556, 21920), (640, 19043), (685, 17792), (695, 17536), (1096, 11120), (1112, 10960), (1370, 8896), (1390, 8768), (2192, 5560), (2224, 5480), (2740, 4448), (2780, 4384)]