123311960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71693}}^1$

素因数の和:71747

約数の個数: 32

約数和(自身を含む): 283908240

約数和(自身を除く): 160596280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 71693, 143386, 286772, 358465, 573544, 716930, 1433860, 2867720, 3082799, 6165598, 12331196, 15413995, 24662392, 30827990, 61655980, 123311960]

約数ペア:

[(1, 123311960), (2, 61655980), (4, 30827990), (5, 24662392), (8, 15413995), (10, 12331196), (20, 6165598), (40, 3082799), (43, 2867720), (86, 1433860), (172, 716930), (215, 573544), (344, 358465), (430, 286772), (860, 143386), (1720, 71693)]