161284280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{175309}}^1$

素因数の和:175343

約数の個数: 32

約数和(自身を含む): 378669600

約数和(自身を除く): 217385320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 175309, 350618, 701236, 876545, 1402472, 1753090, 3506180, 4032107, 7012360, 8064214, 16128428, 20160535, 32256856, 40321070, 80642140, 161284280]

約数ペア:

[(1, 161284280), (2, 80642140), (4, 40321070), (5, 32256856), (8, 20160535), (10, 16128428), (20, 8064214), (23, 7012360), (40, 4032107), (46, 3506180), (92, 1753090), (115, 1402472), (184, 876545), (230, 701236), (460, 350618), (920, 175309)]