280815912

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{300017}}^1$

素因数の和:300042

約数の個数: 48

約数和(自身を含む): 819049140

約数和(自身を除く): 538233228

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 300017, 600034, 900051, 1200068, 1800102, 2400136, 2700153, 3600204, 3900221, 5400306, 7200408, 7800442, 10800612, 11700663, 15600884, 21601224, 23401326, 31201768, 35101989, 46802652, 70203978, 93605304, 140407956, 280815912]

約数ペア:

[(1, 280815912), (2, 140407956), (3, 93605304), (4, 70203978), (6, 46802652), (8, 35101989), (9, 31201768), (12, 23401326), (13, 21601224), (18, 15600884), (24, 11700663), (26, 10800612), (36, 7800442), (39, 7200408), (52, 5400306), (72, 3900221), (78, 3600204), (104, 2700153), (117, 2400136), (156, 1800102), (234, 1200068), (312, 900051), (468, 600034), (936, 300017)]