256338840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2136157}}^1$

素因数の和:2136171

約数の個数: 32

約数和(自身を含む): 769016880

約数和(自身を除く): 512678040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2136157, 4272314, 6408471, 8544628, 10680785, 12816942, 17089256, 21361570, 25633884, 32042355, 42723140, 51267768, 64084710, 85446280, 128169420, 256338840]

約数ペア:

[(1, 256338840), (2, 128169420), (3, 85446280), (4, 64084710), (5, 51267768), (6, 42723140), (8, 32042355), (10, 25633884), (12, 21361570), (15, 17089256), (20, 12816942), (24, 10680785), (30, 8544628), (40, 6408471), (60, 4272314), (120, 2136157)]