161278140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2687969}}^1$

素因数の和:2687981

約数の個数: 24

約数和(自身を含む): 451578960

約数和(自身を除く): 290300820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2687969, 5375938, 8063907, 10751876, 13439845, 16127814, 26879690, 32255628, 40319535, 53759380, 80639070, 161278140]

約数ペア:

[(1, 161278140), (2, 80639070), (3, 53759380), (4, 40319535), (5, 32255628), (6, 26879690), (10, 16127814), (12, 13439845), (15, 10751876), (20, 8063907), (30, 5375938), (60, 2687969)]