388770240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{404969}}^1$

素因数の和:404989

約数の個数: 56

約数和(自身を含む): 1234348560

約数和(自身を除く): 845578320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 404969, 809938, 1214907, 1619876, 2024845, 2429814, 3239752, 4049690, 4859628, 6074535, 6479504, 8099380, 9719256, 12149070, 12959008, 16198760, 19438512, 24298140, 25918016, 32397520, 38877024, 48596280, 64795040, 77754048, 97192560, 129590080, 194385120, 388770240]

約数ペア:

[(1, 388770240), (2, 194385120), (3, 129590080), (4, 97192560), (5, 77754048), (6, 64795040), (8, 48596280), (10, 38877024), (12, 32397520), (15, 25918016), (16, 24298140), (20, 19438512), (24, 16198760), (30, 12959008), (32, 12149070), (40, 9719256), (48, 8099380), (60, 6479504), (64, 6074535), (80, 4859628), (96, 4049690), (120, 3239752), (160, 2429814), (192, 2024845), (240, 1619876), (320, 1214907), (480, 809938), (960, 404969)]