239127480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{664243}}^1$

素因数の和:664260

約数の個数: 48

約数和(自身を含む): 777165480

約数和(自身を除く): 538038000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 664243, 1328486, 1992729, 2656972, 3321215, 3985458, 5313944, 5978187, 6642430, 7970916, 9963645, 11956374, 13284860, 15941832, 19927290, 23912748, 26569720, 29890935, 39854580, 47825496, 59781870, 79709160, 119563740, 239127480]

約数ペア:

[(1, 239127480), (2, 119563740), (3, 79709160), (4, 59781870), (5, 47825496), (6, 39854580), (8, 29890935), (9, 26569720), (10, 23912748), (12, 19927290), (15, 15941832), (18, 13284860), (20, 11956374), (24, 9963645), (30, 7970916), (36, 6642430), (40, 5978187), (45, 5313944), (60, 3985458), (72, 3321215), (90, 2656972), (120, 1992729), (180, 1328486), (360, 664243)]