161140360

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{60127}}^1$

素因数の和:60205

約数の個数: 32

約数和(自身を含む): 367983360

約数和(自身を除く): 206843000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 60127, 120254, 240508, 300635, 481016, 601270, 1202540, 2405080, 4028509, 8057018, 16114036, 20142545, 32228072, 40285090, 80570180, 161140360]

約数ペア:

[(1, 161140360), (2, 80570180), (4, 40285090), (5, 32228072), (8, 20142545), (10, 16114036), (20, 8057018), (40, 4028509), (67, 2405080), (134, 1202540), (268, 601270), (335, 481016), (536, 300635), (670, 240508), (1340, 120254), (2680, 60127)]