123430140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{685723}}^1$

素因数の和:685738

約数の個数: 36

約数和(自身を含む): 374405304

約数和(自身を除く): 250975164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 685723, 1371446, 2057169, 2742892, 3428615, 4114338, 6171507, 6857230, 8228676, 10285845, 12343014, 13714460, 20571690, 24686028, 30857535, 41143380, 61715070, 123430140]

約数ペア:

[(1, 123430140), (2, 61715070), (3, 41143380), (4, 30857535), (5, 24686028), (6, 20571690), (9, 13714460), (10, 12343014), (12, 10285845), (15, 8228676), (18, 6857230), (20, 6171507), (30, 4114338), (36, 3428615), (45, 2742892), (60, 2057169), (90, 1371446), (180, 685723)]