11947120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 29855232

約数和(自身を除く): 17908112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 151, 172, 184, 215, 230, 302, 344, 368, 430, 460, 604, 688, 755, 860, 920, 989, 1208, 1510, 1720, 1840, 1978, 2416, 3020, 3440, 3473, 3956, 4945, 6040, 6493, 6946, 7912, 9890, 12080, 12986, 13892, 15824, 17365, 19780, 25972, 27784, 32465, 34730, 39560, 51944, 55568, 64930, 69460, 79120, 103888, 129860, 138920, 149339, 259720, 277840, 298678, 519440, 597356, 746695, 1194712, 1493390, 2389424, 2986780, 5973560, 11947120]

約数ペア:

[(1, 11947120), (2, 5973560), (4, 2986780), (5, 2389424), (8, 1493390), (10, 1194712), (16, 746695), (20, 597356), (23, 519440), (40, 298678), (43, 277840), (46, 259720), (80, 149339), (86, 138920), (92, 129860), (115, 103888), (151, 79120), (172, 69460), (184, 64930), (215, 55568), (230, 51944), (302, 39560), (344, 34730), (368, 32465), (430, 27784), (460, 25972), (604, 19780), (688, 17365), (755, 15824), (860, 13892), (920, 12986), (989, 12080), (1208, 9890), (1510, 7912), (1720, 6946), (1840, 6493), (1978, 6040), (2416, 4945), (3020, 3956), (3440, 3473)]