144276920

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{5281}}^1$

素因数の和:5975

約数の個数: 32

約数和(自身を含む): 325159920

約数和(自身を除く): 180883000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 3415, 5281, 5464, 6830, 10562, 13660, 21124, 26405, 27320, 42248, 52810, 105620, 211240, 3606923, 7213846, 14427692, 18034615, 28855384, 36069230, 72138460, 144276920]

約数ペア:

[(1, 144276920), (2, 72138460), (4, 36069230), (5, 28855384), (8, 18034615), (10, 14427692), (20, 7213846), (40, 3606923), (683, 211240), (1366, 105620), (2732, 52810), (3415, 42248), (5281, 27320), (5464, 26405), (6830, 21124), (10562, 13660)]