144540280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157109}}^1$

素因数の和:157143

約数の個数: 32

約数和(自身を含む): 339357600

約数和(自身を除く): 194817320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 157109, 314218, 628436, 785545, 1256872, 1571090, 3142180, 3613507, 6284360, 7227014, 14454028, 18067535, 28908056, 36135070, 72270140, 144540280]

約数ペア:

[(1, 144540280), (2, 72270140), (4, 36135070), (5, 28908056), (8, 18067535), (10, 14454028), (20, 7227014), (23, 6284360), (40, 3613507), (46, 3142180), (92, 1571090), (115, 1256872), (184, 785545), (230, 628436), (460, 314218), (920, 157109)]