143995640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{557}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 339888960

約数和(自身を除く): 195893320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 281, 460, 557, 562, 920, 1114, 1124, 1405, 2228, 2248, 2785, 2810, 4456, 5570, 5620, 6463, 11140, 11240, 12811, 12926, 22280, 25622, 25852, 32315, 51244, 51704, 64055, 64630, 102488, 128110, 129260, 156517, 256220, 258520, 313034, 512440, 626068, 782585, 1252136, 1565170, 3130340, 3599891, 6260680, 7199782, 14399564, 17999455, 28799128, 35998910, 71997820, 143995640]

約数ペア:

[(1, 143995640), (2, 71997820), (4, 35998910), (5, 28799128), (8, 17999455), (10, 14399564), (20, 7199782), (23, 6260680), (40, 3599891), (46, 3130340), (92, 1565170), (115, 1252136), (184, 782585), (230, 626068), (281, 512440), (460, 313034), (557, 258520), (562, 256220), (920, 156517), (1114, 129260), (1124, 128110), (1405, 102488), (2228, 64630), (2248, 64055), (2785, 51704), (2810, 51244), (4456, 32315), (5570, 25852), (5620, 25622), (6463, 22280), (11140, 12926), (11240, 12811)]