121478120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{57301}}^1$

素因数の和:57365

約数の個数: 32

約数和(自身を含む): 278487720

約数和(自身を除く): 157009600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 57301, 114602, 229204, 286505, 458408, 573010, 1146020, 2292040, 3036953, 6073906, 12147812, 15184765, 24295624, 30369530, 60739060, 121478120]

約数ペア:

[(1, 121478120), (2, 60739060), (4, 30369530), (5, 24295624), (8, 15184765), (10, 12147812), (20, 6073906), (40, 3036953), (53, 2292040), (106, 1146020), (212, 573010), (265, 458408), (424, 286505), (530, 229204), (1060, 114602), (2120, 57301)]