128040840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{355669}}^1$

素因数の和:355686

約数の個数: 48

約数和(自身を含む): 416133900

約数和(自身を除く): 288093060

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, 355669, 711338, 1067007, 1422676, 1778345, 2134014, 2845352, 3201021, 3556690, 4268028, 5335035, 6402042, 7113380, 8536056, 10670070, 12804084, 14226760, 16005105, 21340140, 25608168, 32010210, 42680280, 64020420, 128040840]

約数ペア:

[(1, 128040840), (2, 64020420), (3, 42680280), (4, 32010210), (5, 25608168), (6, 21340140), (8, 16005105), (9, 14226760), (10, 12804084), (12, 10670070), (15, 8536056), (18, 7113380), (20, 6402042), (24, 5335035), (30, 4268028), (36, 3556690), (40, 3201021), (45, 2845352), (60, 2134014), (72, 1778345), (90, 1422676), (120, 1067007), (180, 711338), (360, 355669)]