135567280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89189}}^1$

素因数の和:89221

約数の個数: 40

約数和(自身を含む): 331786800

約数和(自身を除く): 196219520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 89189, 178378, 356756, 445945, 713512, 891890, 1427024, 1694591, 1783780, 3389182, 3567560, 6778364, 7135120, 8472955, 13556728, 16945910, 27113456, 33891820, 67783640, 135567280]

約数ペア:

[(1, 135567280), (2, 67783640), (4, 33891820), (5, 27113456), (8, 16945910), (10, 13556728), (16, 8472955), (19, 7135120), (20, 6778364), (38, 3567560), (40, 3389182), (76, 1783780), (80, 1694591), (95, 1427024), (152, 891890), (190, 713512), (304, 445945), (380, 356756), (760, 178378), (1520, 89189)]